Timeline of the war in Donbass (December 2017)

This is a timeline of the War in Donbass for December 2017. The timeline follows an ongoing conflict between Ukraine and anti-government pro-Russian separatists supported by Russian troops in the Donbass region in eastern Ukraine.

1 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 25 occasions on Ukrainian positions on the last day of November (including on 9 occasions in Donetsk region and on 16 occasions in Luhansk region ); the fire was returned on 13 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was wounded on 30 November. Pro-Russian sources at Donetsk city reported 29 Ukrainian violations of the ceasefire in 17 locations using small arms, rocket launchers, 82&#160;mm mortars and 120&#160;mm mortars. Authorities from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire eight times within the republic boundaries. The Ukrainian military employed small arms, machine guns, rocket launchers, automatic grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, BMP-1 armoured vehicles and 122 mm self-propelled guns to pound pro-Russian positions at Lohvynove, Kalynove, Lozove, Kalynivka, Zolote and Sentianivka.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 10 occasions. The northern section of the demarcation line continued to be the epicenter of rebel activity. Pro-Russian armoured fighting vehicles attacked Ukrainian positions at Lozove, Zaitseve, Krymske, and Zhovte supported by small arms fire and rocket propelled grenades. Novotoshkivke, Novooleksandrivka and Novoluhanske came under 82&#160;mm and 120&#160;mm mortar fire. In the area of Donetsk city, light weapons were used to harass Ukrainian troops at Kamyanka, while 82&#160;mm mortar rounds landed in Marinka. Small arms fire and antitank rockets landed in Nevelske. In the region of Mariupol, small arms and rocket launchers were fired at Vodiane and Berezove. One Ukrainian serviceman was wounded near Troitske, and died of wounds in a hospital in Popasna, another soldier was injured by the explosion of an IED at Verkhnyotoretske.

2 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 26 occasions on Ukrainian positions the previous day (including on 9 occasions in Donetsk and on 17 occasions in Luhansk region ); the fire was returned on 14 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that two Ukrainian servicemen were wounded in the Donbass region on the first day of December, one of the wounded soldiers died of wounds in a hospital. Pro-Russian sources at Donetsk city reported 27 Ukrainian violations of the ceasefire in 16 locations using small arms, rocket launchers, 82&#160;mm mortars and 120&#160;mm mortars. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire seven times within the republic boundaries. The Ukrainian military employed small arms, machine guns, rocket launchers, automatic grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars and BMP-1 armoured vehicles to attack pro-Russian positions at Lozove, Veselohorivka, Sokolniki, Kalynove-Borshchevate, Pervomaisk, Kalynove, Lohvynove and Nyzhne Lozove.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 10 occasions, a 31-year-old female civilian was wounded by shelling in Verkhnyotoretske. In the region of Mariupol, heavy shelling was reported at Vodiane and Shyrokyne, which became the target of 82 mm mortars, 120 mm mortars and 122 mm self-propelled artillery. Ukrainian troops at Vodiane and Hnutove were also fired at by armoured fighting vehicles. Talakivka, meanwhile, was struck by 120 mm mortar fire. The rebels raked Shyrokyne with antiaircraft fire, while Pavlopil and Hnutove came under small arms and heavy machine gun fire. In the outskirts of Donetsk city, the separatists fired heavy machine guns, rocket launchers and antitank guided missiles at Avdiivka and Opytne. In the northern section of the demarcation line, Novoluhanske was shelled with 152 mm self-propelled guns, while Novooleksandrivka, Novotoshkivke, Zolote, Popasna, Luhanske and Troitske were fired from small arms, grenade launchers and mortars. One Ukrainian serviceman was wounded at Zolote, one soldier was injured at Opytne, another at Luhanske.

3 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 30 occasions on Ukrainian positions the previous day (including on 12 occasions in Donetsk region and on 18 occasions in Luhansk region ); the fire was returned on 12 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that one Ukrainian serviceman was wounded and two others were injured in the Donbass region on 2 December. Pro-Russian officials at Donetsk city recorded 46 Ukrainian violations of the ceasefire in 20 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, armoured personnel carriers, armoured fighting vehicles, tanks and heavy artillery. According to local sources, Ukrainian forces broke the ceasefire on six occasions within the boundaries of the self-proclaimed Luhansk People's Republic. The Ukrainian military used small arms, rocket launchers, automatic grenade launchers, 73&#160;mm antitank recoilless rifles, 82&#160;mm mortars, 120&#160;mm mortars, armoured fighting vehicles to pound pro-Russian redoubts at Kalynivka, Sentianivka and Zhovte.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops 19 times. Pro-Russian tanks engaged Ukrainian redoubts around Avdiivka, in the surroundings of Donetsk. Avdiivka, along with nearby Verkhnyotoretske and Marinka, also became the target of small arms, heavy machine guns, rocket launchers and 82&#160;mm mortars. In the region of Mariupol, Shyrokyne came under 120&#160;mm mortar fire, while Lebedinske and Pavlopil were shelled with 82&#160;mm mortars. Rebel forces fired small arms, heavy machine guns and grenade launchers at Vodiane, Pavlopil and Talakivka. One Ukrainian serviceman was killed and another wounded by shelling at Shyrokyne, two soldiers were wounded at Troitske, one was wounded near Vodiane. Sniper fire was reported at Novotroitske. The Ukrainian military returned fire on several occasions. In the northern section of the demarcation line, Troitske and Luhanske were shelled with 120&#160;mm mortars, while 82&#160;mm mortars hit Zolote. Ukrainian forces at Zhovte, Zaitseve, Zolote, Krymske, Luhanske, Malynove, Novhorodske, Novoluhanske, Novooleksandrivka and Troitske were attacked with small arms, heavy machine guns, rocket launchers and armoured fighting vehicles. Ukrainian forces fired back using small arms, heavy machine guns and armoured fighting vehicles.

4 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 38 occasions on Ukrainian positions the previous day (including on 15 occasions in Donetsk and on 23 occasions in Luhansk region ); the fire was returned on 22 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that one Ukrainian serviceman was killed and four were wounded in the Donbass region on 3 December. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 2 October 2017. Pro-Russian sources at Donetsk city reported 48 Ukrainian violations of the ceasefire in 21 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, armoured personnel carriers, armoured fighting vehicles and heavy artillery. One pro-Russian soldier was killed and another wounded in action. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire eight times within the republic boundaries. The Ukrainian military employed small arms, automatic grenade launchers, 73&#160;mm antitank recoilless rifles, 82&#160;mm mortars, 120&#160;mm mortars and BMP-1 armoured vehicles to attack pro-Russian positions at Kalynove, Sentianivka, Kalynivka, Kalynove-Borshchevate, Lohvynove, Kruta Hora and Sokolniki.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 9 occasions. In the outskirts of Donetsk city, pro-Russian armoured fighting vehicles opened fire on Pisky, supported by grenade launchers and 82&#160;mm mortars. In the northern sector of the demarcation line, Luhanske was the target of rocket launchers and mortars. Armoured fighting vehicles attacked Novoluhanske supported by antiaircraft artillery. Antitank rockets struck Zhovte and Zaitseve, while Ukrainian troops at Troitske were harassed with heavy machine gun fire. One Ukrainian serviceman was wounded at Zolote, another at Luhanske, and the third Ukrainian soldier was wounded at Pisky, where one Ukrainian volunteer was killed by shelling too. A 5-hour clash between pro-Russian scouts and Ukrainian army&#160;— that started in the early hours of 4 December&#160;— took place at Luhanske. Russian media denounced that a USAF RQ-4 Global Hawk strategic drone performed a surveillance sortie over the demarcation line, at an altitude of 16,700 meters. There were at least three previous flights since 14 May.

5 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 21 occasions on Ukrainian positions the previous day (including on 4 occasions in Donetsk region and on 17 occasions in Luhansk region ). The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that three Ukrainian Ukrainian servicemen were wounded in the Donbass region on 4 December. Pro-Russian authorities at Donetsk city recorded 41 Ukrainian violations of the ceasefire in 14 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, armoured personnel carriers, armoured fighting vehicles and heavy artillery. One civilian resident was wounded at Petrovsky district. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire four times within the republic boundaries. The Ukrainian military employed small arms, machine guns, rocket launchers, automatic grenade launchers, 73&#160;mm antitank recoilless rifles, 120&#160;mm mortars and BMP-1 armoured vehicles to pound pro-Russian redoubts at Kalynivka, Kalynove, Lozove, Lohvynove, Knyaz Igor memorial and Pervomaisk.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 13 occasions. Around Donetsk city, 82&#160;mm mortar volleys struck Avdiivka and Opytne. In the northern sector of the demarcation line, the focus of rebel activity on the past days, separatist forces shelled Novozvanivka, Katerinivka and Travneve. Antitank rockets landed in Krymske and Svitlodarsk, while pro-Russian armoured fighting vehicles engaged Ukrainian positions at Zaitseve. Small arms fire was reported at Lobacheve and Novoluhanske. In the region of Mariupol, Talakivka was hit by heavy machine gun fire and antitank rockets.

6 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 24 occasions on Ukrainian positions the previous day (including on 8 occasions in Donetsk and on 16 occasions in Luhansk region); the fire was returned on 10 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 3 December. Pro-Russian officials at Donetsk city reported 44 Ukrainian violations of the ceasefire in 19 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, tanks and heavy artillery. Pro-Russian forces shot down a Ukrainian drone used to direct artillery fire over Horlivka. One pro-Russian soldier was killed in action. According to local sources, the Ukrainian military broke the ceasefire ten times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, automatic grenade launchers, 73 mm antitank recoilless rifles, Zu-23-2 antiaircraft guns, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to pound pro-Russian positions at Dolhe, Kalynivka, Sentianivka, Lozove, Nyzhne Lozove and Donetskyi.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 11 occasions, including once in Luhansk region. In the outskirts of Donetsk city, Ukrainian forces at Avdiivka became the target of infantry weapons. In the region of Mariupol, pro-Russian tanks engaged Ukrainian redoubts at Shyrokyne, supported by small arms, rocket launchers and 120&#160;mm mortars. Armoured fighting vehicles attacked Bohdanivka, while rocket propelled grenades landed in Hnutove. Vodiane and Starohnativka came under 82&#160;mm and 120&#160;mm mortar fire. Novoluhanske, in the northern section of the demarcation line, was also shelled with 120&#160;mm mortars.

7 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 27 occasions on Ukrainian positions the previous day (including on 16 occasions in Donetsk region and on 11 occasions in Luhansk region); the fire was returned on 16 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 6 December. Pro-Russian officials at Donetsk city recorded 46 Ukrainian violations of the ceasefire in 18 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, armoured personnel carriers, armoured fighting vehicles and tanks. Authorities from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire eight times within the republic boundaries. The Ukrainian military employed small arms, machine guns, rocket launchers, automatic grenade launchers, 73&#160;mm antitank recoilless rifles, 82&#160;mm mortars, 120&#160;mm mortars and BMP-1 armoured vehicles to engage pro-Russian positions at Krasny Yar, Krasny Lyman, Kalynove, Kalynivka and Lohvinove.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 4 occasions. In the outskirts of Donetsk city, Avdiivka came under small arms and 82&#160;mm mortar fire. Marinka and Butivka mining complex were hit by heavy machine gun fire and rocket propelled grenades. In the region of Mariupol, Ukrainian positions at Novotroitske and Shyrokyne became the target of the same kindof weapons. In the northern sector of the demarcation line, Troitske was hit by 120&#160;mm mortar rounds, while Valuiske, Zaiseve, Krymske, Lobacheve, Luhanske, Novoaleksandrivka and Stanytsia Luhanska were attacked with small arms and rocket launchers. The Ukrainian military returned fire using small arms, grenade launchers, heavy machine guns and armoured fighting vehicles. One Ukrainian serviceman was killed and another wounded by shelling at Avdiivka, one Ukrainian soldier was wounded at Shyrokene and another was injured by explosion of a booby trap at Verkhnyotoretske.

8 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 17 occasions on Ukrainian positions the previous day  (including on 8 occasions in Donetsk and on 9 occasions in Luhansk region); the fire was returned on 11 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was killed and three were wounded in the Donbass region on 7 December. Pro-Russian sources at Donetsk city reported 35 Ukrainian violations of the ceasefire in 17 locations using small arms, rocket launchers, 82&#160;mm mortars, 120&#160;mm mortars and tanks. There were 277 violations of the ceasefire by the Ukrainian military over the past week, with the use of mortars, tanks and heavy artillery on 1,679 occasions. Four pro-Russian soldiers were killed in action on the same period. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire seven times within the republic boundaries. The Ukrainian military employed small arms, machine guns, rocket launchers, automatic grenade launchers, 73&#160;mm antitank recoilless rifles, 82&#160;mm mortars, 120&#160;mm mortars, guided antitank missiles and BMP-1 armoured vehicles to attack pro-Russian positions at Kalynove, Kalynivka, Zhovte, Lohvynove and Knyaz Igor memorial.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 15 occasions. In the area of Donetsk city, Avdiivka came under 120 mm mortar fire. Opytne and Butivka mining complex were also hit by 82 mm and 120 mm mortar volleys. Pro-Russian armoured fighting vehicles shelled Kamianka and Pisky with the support of infantry weapons and rocket launchers. Ukrainian troops at Kamianka were harassed by hostile snipers. In the region of Mariupol, 82 mm and 120 mm mortar rounds landed in Vodiane. In the northern section of the demarcation line, Ukrainian positions at Maiske were attacked with small arms, grenade launchers, 120 mm mortars and armoured fighting vehicles. Krymske, Luhanske, Katerinivka and Novoaleksandrivka became the target of 82 mm mortar fire. Four Ukrainian servicemen were killed (at Vodiane, Kamianka, and Travneve), one soldier was wounded and one injured.

9 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 28 occasions on Ukrainian positions the previous day (including on 9 occasions in Donetsk region and on 19 occasions in Luhansk region); the fire was returned on 16 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that four Ukrainian servicemen were killed and two others were wounded and injured in the Donbass region on 8 December. Pro-Russian sources at Donetsk city reported 29 Ukrainian violations of the ceasefire in 16 different locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, armoured personnel carriers, armoured fighting vehicles and tanks. Pro-Russian authorities acknowledged that their forces returned fire near Dolomitne. One separatist soldier was killed in action. Authorities from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire 12 times within the republic boundaries. The Ukrainian military used small arms, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to pound pro-Russian positions at Sentianivka, Lohvynove, Molodezhne, Dolhe, Kalynivka, Prishib, Lozove, Novooleksandrivka and Pervomaisk.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 14 occasions. In the outskirts of Donetsk city, 82&#160;mm mortar rounds landed in Marinka, Pisky and Butivka mining complex. Small arms fire harassed Ukrainian troops south of Avdiivka. In the region of Mariupol, pro-Russian armoured fighting vehicles engaged Ukrainian forces at Vodiana and Talakivka, supported by grenade launchers. In the northern section of the demarcation line, Ukrainian positions at Troitske and Krymske became the target of small arms, antiaircraft guns, armoured fighting vehicles and 120&#160;mm mortars. Antitank rockets and 82&#160;mm mortar rounds struck Luhanske and Popasna. Armoured fighting vehicles opened fire on Zaitseve, while heavy machine gun fire harassed Ukrainian troops at Novooleksandrivka and Svitlodarsk.

10 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 39 occasions on Ukrainian positions the previous day (including on 11 occasions in Donetsk and on 28 occasions in Luhansk region); the fire was returned on 10 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 9 December. Pro-Russian officials at Donetsk city recorded 43 Ukrainian violations of the ceasefire in 20 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, antiaircraft guns, armoured personnel carriers, armoured fighting vehicles and heavy artillery. According to local sources, the Ukrainian military broke the ceasefire 11 times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, heavy machine guns, 82&#160;mm mortars, 120&#160;mm mortars and BMP-1 armoured vehicles to engage pro-Russian positions at Nyzhne Lozove, Krasny Lyman, Kalynove and Kalynivka.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 8 occasions, exclusively in Donetsk region. In the surroundings of Donetsk city, 82&#160;mm mortars rounds struck Butivka mining complex and Pisky. Ukrainian troops at Avdiivka were harassed with small arms fire. In the region of Mariupol, Vodiane and Talakivka came under attack from rocket launchers and armoured fighting vehicles. In the northern section of the demarcation line, Krymske and Luhanske were shelled with 82&#160;mm and 120&#160;mm mortars. Pro-Russian armoured fighting vehicles engaged Ukrainian positions at Troitske supported by antiaircraft guns and 120&#160;mm mortars. Popasna, meanwhile, was hit by 82&#160;mm mortar fire. Two Ukrainian servicemen were wounded at Avdiivka, three soldiers suffered concussions at Pisky and Lozove.

11 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 35 occasions on Ukrainian positions the previous day (including on 15 occasions in Donetsk region and on 20 occasions in Luhansk region ); the fire was returned on 22 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that two Ukrainian Ukrainian servicemen were wounded and three others were injured in the Donbass region on 10 December. Pro-Russian sources at Donetsk city reported 26 Ukrainian violations of the ceasefire in 14 locations using small arms, grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars, armoured personnel carriers and armoured fighting vehicles. BMP-2 armoured vehicles from Novotroitske shelled and damaged a natural gas pipeline near Dokuchaievsk. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire seven times within the republic boundaries. The Ukrainian military employed small arms, machine guns, automatic grenade launchers, 82&#160;mm mortars, 120&#160;mm mortars and BMP-1 armoured vehicles to attack pro-Russian positions at Sentianivka, Slavyanoserbsk, Lohvynove, Mariivka, Znamyanka, Lozove, Prishib and Kalynove.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 9 occasions, the fire was returned on 4 occasions. Around Donetsk city, Kamyanka and Opytne were hit by antitank rockets and 82&#160;mm mortar rounds. A railway and the Avdiivka coke plant were damaged. In the region of Mariupol, armoured fighting vehicles opened fire on Ukrainian forces at Hnutove. In the northern sector of the demarcation line, Luhanske came under 82&#160;mm mortar fire, while antitank rockets landed in Zaitseve and Popasna. Pro-Russian armoured fighting vehicles attacked Ukrainian positions at Svitlodarsk, while heavy machine gun fire was reported at Novozvaznivka.

12 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 22 occasions on Ukrainian positions the previous day  (including on 6 occasions in Donetsk and on 16 occasions in Luhansk region); the fire was returned on 12 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 11 December. Pro-Russian sources at Donetsk city reported 35 Ukrainian violations of the ceasefire in 18 locations using small arms, rocket launchers, 82&#160;mm mortars, 120&#160;mm mortars, antiaircraft guns, antitank guided missiles, armoured personnel carriers, armoured fighting vehicles and heavy artillery. One pro-Russian soldier was killed and other three wounded in action. According to local sources, the Ukrainian military broke the ceasefire 14 times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, automatic grenade launchers, 73&#160;mm antitank recoilless rifles, Zu-23-2 antiaircraft guns, 82&#160;mm mortars, 120&#160;mm mortars, armoured fighting vehicles and 122 mm self-propelled guns to pound pro-Russian positions at Lozove, Nyzhne Lozove, Mironovske, Pervomaisk, Kalynivka, Dolhe, Donetskyi, Kalynove and Sentianivka.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 11 occasions. In the area surrounding Donetsk city, Ukrainian troops became the target of small arms and rocket launchers at Krasnohorivka, Marinka and Butivka coal mine. In the region of Mariupol, Ukrainian positions at Vodiane came under attack from rocket launchers, armoured fighting vehicles and 122 mm self-propelled artillery. Shyrokyne and Novotroitske were shelled with 82&#160;mm mortars. Small arms fire was reported at Novotroitske and Hnutove. In the northern sector of the demarcation line, antitank rockets hit Krymske while heavy machine gun fire struck Novozvanivka.

13 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 24 occasions on Ukrainian positions the previous day (including on 18 occasions in Donetsk region and on 6 occasions in Luhansk region); the fire was returned on 19 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 12 December. Pro-Russian officials at Donetsk city recorded 39 Ukrainian violations of the ceasefire in 16 locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, armoured personnel carriers, armoured fighting vehicles, tanks and heavy artillery. One civilian was wounded. Authorities from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire 12 times within the republic boundaries. The Ukrainian military employed small arms, machine guns, rocket launchers, automatic grenade launchers, 82 mm mortars, 120 mm mortars, BMP-1 armoured vehicles and 152 mm self-propelled guns to pound pro-Russian positions at Lohvynove, Kalynove, Lozove, Kalynove-Borshchevate, Zholobok, Dolhe, Sanzharivka and Stakhanove.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 19 occasions. In the surrounding of Donetsk city, rebel forces fired small arms and rocket launchers at Pisky, Butivka mining complex, Kamyanka, Marinka and Avdiivka. Marinka and Avdiivka also came under 82 mm mortar fire. In the region of Mariupol, 120 mm mortar rounds landed in Vodiane. Vodiane, along with Hranitne, was also hit by small arms fire and rocket propelled grenades. Heavy shelling was reported in the northern section of the demarcation line, where 152 mm self-propelled artillery pounded Ukrainian positions around Vrubivka, and 120 mm mortar volleys hit Luhanske Popasna and Kryakivka. Ukrainian redoubts around Novooleksandrivka, Popasna and Luhanske were also targeted by 82 mm mortars. The separatists also fired small arms, heavy machine guns and rocket launchers at Zolote, Krymske, Lozove, Luhanske and Popasna. The Ukrainian military repelled the attacks with infantry weapons, heavy machine guns and armoured fighting vehicles. One Ukrainian serviceman was killed in Avdiivka and another wounded at Luhanske.

14 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 30 occasions on Ukrainian positions the previous day (including on 14 occasions in Donetsk and on 16 occasions in Luhansk region ); the fire was returned on 18 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was killed and another wounded in the Donbass region on 13 December. Pro-Russian sources at Donetsk city reported 40 Ukrainian violations of the ceasefire in 22 locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, antiaircraft guns, armoured personnel carriers and armoured fighting vehicles. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire 12 times within the republic boundaries. The Ukrainian military used small arms, machine guns, rocket launchers, automatic grenade launchers, 82 mm mortars, 120 mm mortars, BMP-1 armoured vehicles and 152 mm self-propelled guns to engage pro-Russian positions at Znamyanka, Pervomaisk, Molodezhne, Kalynove, Lozove, Kalynivka, Lohvynove and Prishib.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 8 occasions. Around Donetsk city, pro-Russian tanks engaged Ukrainian positions at Marinka late in the evening. Some hours earlier, the same positions were targeted by infantry weapons and mortars. Verkhnyotoretske and Pisky became the target of small arms, heavy machine guns and rocket launchers, while antitank rockets struck Kamyanka. In the region of Mariupol, Ukrainian outposts at Vodiane, Talakivka and Lebedinske were hit by small arms fire, heavy machine gun fire and rocket propelled grenades. In the northern sector of the demarcation line, rebel forces attacked Luhanske with rocket launchers. Luhanske, Troitske, Troikhizbenka and Novooleksandrivka were shelled with rocket launchers, 82 mm and 120 mm mortars. Armoured fighting vehicles opened fire on Ukrainian redoubts at Svitlodarsk. Two Ukrainian servicemen were wounded and two others injured, two of the casualties occurred near Marinka, one at Pisky, and one at Luhanske.

15 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 24 occasions on Ukrainian positions the previous day (including on 13 occasions in Donetsk region and on 11 occasions in Luhansk region ); the fire was returned on 18 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that four Ukrainian servicemen were wounded and injured in the Donbass region on 14 December. Pro-Russian officials at Donetsk city reported 35 Ukrainian violations of the ceasefire in 17 locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, antitank guided missiles, armoured personnel carriers and armoured fighting vehicles. One civilian resident was wounded. According to local sources, the Ukrainian military broke the ceasefire 14 times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, automatic grenade launchers, 73 mm antitank recoilless rifles, Zu-23-2 antiaircraft guns, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to pound pro-Russian positions at Lohvynove, Kalynove, Kalynivka, Lozove, Sokolniki and Veselehorivka.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 5 occasions, exclusively in Donetsk region, the fire was returned on 2 occasions. At dusk, rebel forces opened fire on Ukrainian troops at Avdiivka and Pisky, in the outskirts of Donetsk, with infantry weapons, while nearby Marinka and Opytne came under 82 mm mortar fire. Butivka mining complex became the target of rocket launchers. In the region of Mariupol, Vodiane was hit by antitank rockets. In the northern sector of the demarcation line, mortar volleys landed in Troitske, where Ukrainian forces were also targeted by small arms and grenade launchers. Infantry weapons and rocket launchers were also employed to attack Zhovte. A male civilian was killed at Sloviansk by unexploded ordnance.

16 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 8 occasions on Ukrainian positions the previous day (including on 6 occasions in Donetsk and on 2 occasions in Luhansk region  ); the fire was returned on 4 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 15 December. Pro-Russian authorities at Donetsk city reported 35 Ukrainian violations of the ceasefire in 18 locations using small arms, rocket launchers, 82 mm mortars, 120 mm mortars, antiaircraft guns, armoured personnel carriers, armoured fighting vehicles, tanks and heavy artillery. Sources from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire seven times within the republic boundaries. The Ukrainian military employed small arms, machine guns, under-barrell launched grenades, automatic grenade launchers, 82 mm mortars, 120 mm mortars 122 mm and 152 mm self-propelled guns to attack pro-Russian positions at Kalynove, Krasny Yar, Holubovske and Zhovte.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 11 occasions. in the area of Donetsk city, Avdiivka was shelled with 120 mm mortars and Verkhnyotoretske with 82 mm mortars. Ukrainian troops at Kamyanka were harassed with small arms fire. In the region of Mariupol, 120 mm landed in Pavlopil and small arms fire was reported at Hranitne and Starohnativka. Pro-Russian tanks engaged Ukrainian redoubts at Hnutove, supported by 120 mm mortar fire. Armoured fighting vehicles opened fire on Ukrainian troops at Vodiane. In the northern section of the demarcation line, Luhanske, Troitske and Trokhizbenka came under 82 mm and 120mm mortar fire. Ukrainian forces at Krymske were attacked with small arms, grenade launchers, 82 mm mortars, 120 mm mortars and armoured fighting vehicles. Four Ukrainian soldiers were wounded near Avdiivka, Travneve, and Luhanske. Eleven servicemen from the Georgian Legion were wounded at Svitlodarska Duha bulge.

17 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 31 occasions on Ukrainian positions the previous day (including on 17 occasions in Donetsk region and on 14 occasions in Luhansk region ); the fire was returned on 22 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that four Ukrainian Ukrainian servicemen were wounded in the Donbass region on 16 December. Pro-Russian officials at Donetsk city reported 30 Ukrainian violations of the ceasefire in 18 different locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, antiaircraft guns, armoured personnel carriers, armoured fighting vehicles, tanks and heavy artillery. According to local sources, the Ukrainian military broke the ceasefire ten times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, heavy machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to engage pro-Russian positions at Kalynove, Lohvynove, Sentianivka, Veselohorivka, Pervomaisk and Krasny Lyman.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 6 occasions, the fire was returned on 2 occasions. Around Donetsk city, Ukrainian forces at Kamyanka and Butivka coal mine became the target of small arms, heavy machine guns and rocket launchers. In the region of Mariupol, Lebedinske was hit by small arms fire, heavy machine gun fire, antitank rockets, 82 mm and 120 mm mortar rounds. Pro-Russian armoured fighting vehicles opened fire on Ukrainian redoubts at Hnutove, while Pavlopil was shelled with 120 mm mortars. In the northern sector of the demarcation line, The Ukrainian stronghold of Luhanske was fired at from heavy machine guns, rocket launchers, 82 mm mortars, 120 mm mortars, antiaircraft guns and 152 mm self-propelled guns. Mortar fire was also reported at Novoluhanske, Troikhizbenka, Lozove and Zaitseve. Three Ukrainian soldiers were killed by shelling near Zaitseve at around 11:00 pm.

18 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 14 occasions on Ukrainian positions the previous day (including on 8 occasions in Donetsk and on 6 occasions in Luhansk region ); the fire was returned on 7 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that three Ukrainian servicemen were killed in the Donbass region on 17 December. Pro-Russian sources at Donetsk city reported 17 Ukrainian violations of the ceasefire in 17 locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, armoured personnel carriers and armoured fighting vehicles. One civilian resident was wounded. Officials from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire 12 times within the republic boundaries. The Ukrainian military used small arms, machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars, BMP-1 armoured vehicles and 122 mm self-propelled guns to engage pro-Russian positions at Lohvynove, Kalynivka, Zholobok, Kalynove-Borschevate, Sentianivka and Khristove.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 12 occasions. Novoluhanske, in the northern section of the demarcation line, was shelled with BM-21 "Grad" multiple rocket launchers. The village was hit by 30-rocket barrage. At least two civilian were wounded, and several houses were set on fire or damaged. Rebel sources blame the Ukrainian military for the attack. Novotoshkivke, Krymske, Kurdiumivka and Novoluhanske came under 82 mm and 120 mm mortar fire. Pro-Russian armoured fighting vehicles engaged Ukrainian positions at Svitlodarsk, supported by antitank rockets. In the surroundings of Donetsk city, rebel forces attacked Pisky with small arms, heavy machine guns, 120 mm mortars and 122 mm self-propelled artillery. Mortar rounds also landed in Avdiivka. In the region of Mariupol, mortar fire was reported at Vodiane, while Ukrainian troops at Taramchuk received small arms fire.

After accusing the Ukrainian government of "preventing the officers from carrying out their duties", Russia withdrew its military observers from the joint Russian-Ukrainian center monitoring the ceasefire. The Ukrainian government called the move a "provocation".

19 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 16 occasions on Ukrainian positions the previous day (including on 6 occasions in Donetsk region and on 10 occasions in Luhansk region ); the fire was returned on 9 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 18 December. Pro-Russian officials at Donetsk city reported 33 Ukrainian violations of the ceasefire in 16 different locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, antiaircraft guns, armoured personnel carriers, armoured fighting vehicles and heavy artillery. BM-21 "Grad" multiple rocket launchers were also fired in the area of Debaltseve. Two civilians residents were wounded. Sources from the self-proclaimed Luhansk People's Republic reported that Ukrainian forces broke the ceasefire on 13 occasions within the republic boundaries. The Ukrainian military employed small arms, machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars, BMP-1 armoured vehicles and 152 mm self-propelled guns to attack pro-Russian positions at Sentianivka, Veselohorivka, Holubovske, Kalynove, Pervomaisk, Lozove, Kalynivka, Zholobok, Stakhanove, Smile, Nyzhne Lozove. Four civilian residents were wounded.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 21 occasions, the fire was returned on 14 occasions. Rebel forces from Horlivka fired a 20-rocket barrage on Ukrainian positions at Zaitseve, in the northern section of the demarcation line, from BM-21 "Grad" multiple launchers. Earlier, armoured fighting vehicles attacked the area with the support of grenade launchers. Troitske, Novotoshkivske, Novooleksandrivka and Novoluhanske became the target of infantry weapons and 120 mm mortars. Ukrainian troops anear Stanytsia Luhanska were harassed with small arms fire, while 120 mm mortar rounds landed in Maiske. In the area of Donetsk city, 82 mm and 120 mm mortar rounds hit Pisky and Kamyanka, and antitank rockets struck Avdiivka. Butivka mining complex was shelled with rocket launchers and 82 mm mortars. Small arms fire was reported at Verkhnyotoretske. In the region of Mariupol, Lebedinske, Novotroitske and Pavlopil came under rocket propelled grenade and 82 mm mortar fire. Pro-Russian armoured fighting vehicles engaged Ukrainian redoubts at Hnutove, while small arms fire was reported at Starohnativka.Two Ukrainian servicemen were killed, five were wounded, and one Ukrainian soldier was injured.

20 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 32 occasions on Ukrainian positions the previous day  (including on 22 occasions in Donetsk and on 10 occasions in Luhansk region ); the fire was returned on 23 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that two Ukrainian servicemen were killed and another six were wounded and injured in the Donbass region on 19 December. Pro-Russian authorities at Donetsk city reported 40 Ukrainian violations of the ceasefire in 20 locations using small arms, rocket launchers, 82 mm mortars, 120 mm mortars, antiaircraft guns, armoured personnel carriers, armoured fighting vehicles, 122 mm and 152 mm self-propelled guns. Local officials in the self-proclaimed Luhansk People's Republic said that Ukrainian forces broke the truce on seven occasions within the republic boundaries. The Ukrainian military employed small arms, machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to engage pro-Russian forces at Sanzharivka, Alamazna, Pervomaisk, Sokolniki, Donetskyi, Kalynove and Holubovske.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 7 occasions, exclusively in Donetsk region. Pro-Russian reports said Ukrainian artillery shelled Yasinuvata with 122 mm self-propelled guns, killing one civilian and wounding others. In the surroundings of Donetsk city, 120 mm mortar rounds landed near Avdiivka. Pro Russian armoured fighting vehicles opened fire on Ukrainian positions at Pisky, supported by heavy machine gun fire. Heavy shelling was reported at Kamyanka, which came under small arms fire, heavy machine gun fire, antitank rockets, 82 mm mortar rounds, 120 mm mortar rounds and 122 mm artillery fire. Rebel forces also engaged Ukrainian forces at Butivka mining complex with small arms, heavy machine guns, rocket launchers and mortars. In the region of Mariupol, Vodiane became the target of small arms, rocket launchers and 120 mm mortars. In the northern sector of the demarcation line, Novotoshkivke was shelled with 120 mm mortars. Hladsove and Maiske received meanwhile 82 mm mortar fire. One Ukrainian serviceman was killed near Kamianka and four soldiers were wounded at Butivka mining complex.

A new ceasefire on the occasion of Christmas (effective from midnight 22 December) was agreed upon in Minsk.

21 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 15 occasions on Ukrainian positions the previous day (including on 12 occasions in Donetsk region and on 3 occasions in Luhansk region ); the fire was returned on 6 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was killed and four others were wounded in the Donbass region on 20 December. Pro-Russian officials at Donetsk city reported 36 Ukrainian violations of the ceasefire in 15 different locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, armoured personnel carriers, armoured fighting vehicles and 122 mm self-propelled artillery. Two civilian residents were killed. According to local sources, the Ukrainian military broke the ceasefire six times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to pound pro-Russian positions at Lohvynove, Kalynove, Holubovske, Krasny Yar and Kalynove-Borshchevate.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 7 occasions, the fire was returned on 4 occasions. Around Donetsk city, 120 mm mortar rounds hit Novoselivka and Pisky, while Avdiivka became the target of small arms, heavy machine guns, rocket launchers and antiaircraft guns. At dusk, Novoselivka and Pisky were attacked by tanks. Pro-Russian armoured fighting vehicles engaged Ukrainian positions at Hnutove and Vodiane, in the region of Mariupol, supported by 120 mm mortars. Later in the evening, pro-Russian tanks opened fire on Vodiane. In the northern sector of the demarcation line, rebel forces fired heavy machine guns and rocket launchers at the Ukrainian stronghold of Luhanske. One Ukrainian soldier was killed in action in the area of Novoselivka Druha, two others were wounded in action in the area of Luhanske.

22 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 16 occasions on Ukrainian positions the previous day; the fire was returned on 10 occasions. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that one Ukrainian serviceman was killed and another two were wounded in action in the Donbass region on 21 December. Pro-Russian sources at Donetsk city reported 36 Ukrainian violations of the ceasefire in 15 locations using small arms, rocket launchers, 82 mm mortars, 120 mm mortars, armoured personnel carriers, armoured fighting vehicles, 122 mm and 152 mm self-propelled guns. One pro-Russian soldier and one civilian resident were killed. Local authorities in the self-proclaimed Luhansk People's Republic said that Ukrainian forces broke the truce on four occasions within the republic boundaries. The Ukrainian military employed small arms, machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, BMP-1 and BMP-2 armoured vehicles to engage pro-Russian forces at Lohvynove, Smile and Krasny Lyman. One pro-Russian non-commissioned officer was killed in action.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 11 occasions. Pro-Russian tanks, supported by intense 120 mm mortar fire, engaged Ukrainian redoubts for the second consecutive day at Pisky, in the surroundings of Donetsk city. Avdiivka and Kamyanka were hit by small arms fire and antitank rockets. In the region of Mariupol, heavy shelling was reported at Lebedinske and Vodiane, that became targets of 120 mm mortars and 152 mm self-propelled artillery. In the northern section of the demarcation line, Zaitseve was fired at by 120 mm mortars, armoured fighting vehicles and tanks. One Ukrainian serviceman was killed by shelling near Staryi Aidar, one was wounded at Avdiivka, and one at Zaitseve.

23 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 22 occasions on Ukrainian positions the previous day (including on 14 occasions in Donetsk region and on 8 occasions in Luhansk region  ); the fire was returned on 12 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was killed and two others were wounded in the Donbass region on 22 December. Pro-Russian authorities at Donetsk city reported 23 Ukrainian violations of the ceasefire in 14 different locations using small arms, grenade launchers, 82 mm mortars, 120 mm mortars, guided antitank missiles, armoured personnel carriers, armoured fighting vehicles, 122 mm self-propelled artillery and BM-21 "Grad" multiple rocket launchers. Around Donetsk city, pro-Russian forces in ten areas where targeted with small arms, grenade launchers, 82 mm mortars, 120 mm mortars, antitank guided missiles, 122 mm self-propelled guns and BM-21 "Grad" multiple rocket launchers. In the outskirts of Horlivka, Ukrainian armored personnel carriers engaged pro-Russian positions at Verkhnyotoretske and Zaitseve, supported by small arms and antitank rockets. In the region of Mariupol, 120 mm mortar rounds landed in Sosnovske and Leninske. According to local sources, the Ukrainian military broke the ceasefire three times within the borders of the self-styled Luhansk People's Republic. The Ukrainian military employed small arms, heavy machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars, 120 mm mortars and BMP-1 armoured vehicles to pound pro-Russian positions at Lohvynove, Lozove and Kalynivka. Ukrainian BMP-1 armoured vehicles from Luhanske attacked pro-Russian forces at Kalynivka and Lohvynove supported by small arms, heavy machine guns and automatic grenade launchers. Lozove became the target of 73 mm antitank recoilless rifles.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 3 occasions. Heavy machine gun fire was reported at Avdiivka, west of Donetsk city. Ukrainian troops at Lebedinske were harassed with small arms fire. Ukrainian positions at Luhanske, in the northern section of the demarcation line, were hit by small arms fire, sniper fire, heavy machine gun fire and 82 mm mortar rounds. Later in the night, pro-Russian armoured fighting vehicles engaged Ukrainian redoubts near Svitlodarsk dam supported by small arms fire. One Ukrainian soldier was killed by a sniper bullet and another wounded by shelling in the area of Luhanske. Sources from the self-proclaimed Donetsk People's Republic also claimed that the Ukrainian military broke the renewed ceasefire agreement, which began at 00:00 am of 23 December, several times using small arms and automatic grenade launchers to attack separatist troops at Yasynuvata, while Holmivsky and Horlivka were shelled from 82 mm and 120 mm mortars.

24 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 9 occasions on Ukrainian positions the previous day (including on 2 occasions in Donetsk and on 7 occasions in Luhansk region ); the fire was not returned. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that one Ukrainian serviceman was killed and another wounded in the Donbass region on 23 December. Pro-Russian authorities at Donetsk city reported 40 Ukrainian violations of the ceasefire in four locations around Donetsk city using small arms, rocket launchers, 82 mm mortars, 120 mm mortars, armoured personnel carriers and armoured fighting vehicles. Local officials in the self-proclaimed Luhansk People's Republic said that Ukrainian forces broke the truce on two occasions within the republic boundaries. The Ukrainian military employed small arms, machine guns, automatic grenade launchers, 73 mm antitank recoilless rifles, 82 mm mortars to pound pro-Russian positions at Sentianivka and Kalynivka.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 2 occasions in the outskirts of Donetsk city. Near Avdiivka Ukrainian positions were hit by small arms fire, machine gun fire and antitank rockets, and in the area of Verkhnyotoretske Ukrainian forces were harassed with sniper fire. Later in the evening, Kamyanka and Krasnohorivka were also hit by small arms fire and antitank rockets. Krymske, in the northern sector of the demarcation line, was struck by mortar volleys at dusk. Ukrainian forces fired back with automatic grenade launchers. One Ukrainian soldier was wounded in action near Avdiivka. Donetsk People's Republic media reported two Ukrainian military attacks with antitank rocket launchers on Yasinuvata and Staromyhailivka. Pro-Russian forces from the self-styled Luhansk People's Republic shot down a small drone over Kalynivka.

25 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 6 occasions on Ukrainian positions the previous day (including on 5 occasions in Donetsk region and on 1 occasion in Luhansk region ); the fire was returned on 2 occasions. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was wounded in the Donbass region on 24 December. Pro-Russian sources at Donetsk city reported three Ukrainian violations of the ceasefire in Yasinuvata, Staromyhailivka and Vesele using small arms, rocket launchers, 82 mm and 120 mm mortars. No ceasefire violations were recorded in the territory of the self-proclaimed Luhansk People's Republic over the past 24 hours.

The ATO press-centre reported in the evening no ceasefire violations during the first 18 hours of 25 December. Later in the evening, pro-Russian forces from Sosnovske, in the region of Mariupol, shelled Pavlopil with 120 mm mortars. Small arms fire was reported around Stanytsia Luhanska, in the northern section of the demarcation line. Media from the self-proclaimed Donetsk People's Republic said that Ukrainian forces broke the ceasefire by shelling Sosnovske, in the region of Mariupol, with 82 mm mortars. There were earlier violations of the brand-new truce in the outskirts of Donetsk city when small arms fire was reported at Kruta Balka and 73 mm antitank recoilless rifles from Marinka were fired at least once on pro-Russian forces at Trudovske. Colonel Andryi Marochko from the self-styled Luhansk People's republic reported two Ukrainian violations of the ceasefire within the republic boundaries when the Ukrainian military fired small arms and 73 mm antitank recoilless rifles into Lohvynove and Kalynivka.

26 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 2 occasions on Ukrainian positions the previous day (once in Donetsk and once in Luhansk region ); the fire was not returned. The spokesman of the Ministry of Defence on issues related to ATO reported at noon no casualties in the Donbass region on 25 December. Pro-Russian authorities at Donetsk city reported five Ukrainian violations of the ceasefire in four locations around Donetsk city and the region of Mariupol using small arms, heavy machine guns, automatic grenade launchers launchers and 82 mm mortars. Local sources from the self-proclaimed Luhansk People's Republic confirmed two Ukrainian violations of the truce within the republic's borders. Ukrainian forces attacked Kalynivka and Lohvynove with small arms, heavy machine guns and automatic grenade launchers.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 4 occasions, the fire was not returned. Later in the night, rebel forces engaged Ukrainian positions at Luhanske with small arms, heavy machine guns, Zu-23-2 antiaircraft artillery and 82 mm mortars. Small arms and sniper fire was reported at Novoluhanske, Stanytsia Luhanska and Zolote. In the area around Donetsk city, Butivka mining complex became the target of infantry weapons. One Ukrainian serviceman was lethally wounded at Butivka mining complex, one Ukrainian soldier was wounded by a sniper bullet at Zolote, another at Novoluhanske, two servicemen were injured by shelling at Luhanske, one serviceman of National Guard was wounded when an explosive device went off near Vodiane.

27 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 6 occasions on Ukrainian positions the previous day (including once in Donetsk region and on 5 occasions in Luhansk region  ); the fire was not returned. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was killed and five others were wounded and injured in the Donbass region on 26 December. No ceasefire violations were recorded by pro-Russian authorities from the self-styled Donetsk People's Republic. According to local officials, the Ukrainian military broke the ceasefire once within the borders of the self-styled Luhansk People's Republic, when Ukrainian forces from Luhanske fired small arms, machine guns, automatic grenade launchers, antitank guided missiles and 82 mm mortars at pro-Russian positions near Kalynivka.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire on positions of Ukrainian troops on 2 occasions, in the region of Mariupol. Both incidents took place at Vodiane, that became the target of heavy machine guns firing from Sakhanka and antitank rocket launchers firing from Uzhivka (Leninske). Two Ukrainian servicemen were wounded near Vodiane in Donetsk region. Pro-Russian sources at Donetsk city reported that the Ukrainian military broke the ceasefire by firing small arms and automatic grenades launchers on the area of Dolomitne.

A prisoner exchange between the warring parties took place near Horlivka. A total of 74 Ukrainian and 237 pro-Russian prisoners of war were released at about 07:30 pm.

28 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 4 occasions on Ukrainian positions the previous day, exclusively in Donetsk region; the fire was not returned. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that two Ukrainian serviceman were wounded in the Donbass region on 27 December. Pro-Russian authorities at Donetsk city reported that Ukrainian forces broke the ceasefire on one occasion around Donetsk city in the village of Dolomitne using small arms and automatic grenade launchers launchers. No ceasefire violations were recorded by pro-Russian authorities from the self-styled Luhansk People's Republic.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 3 occasions. Pro-Russian armoured fighting vehicles engaged Ukrainian redoubts at Pavlopil, in the region of Mariupol, supported by small arms, heavy machine guns, rocket launchers and 82 mm mortars. Later in the evening, Talakivka came under 82 mm mortar fire. In the outskirts of Donetsk city, small arms and sniper fire was reported at Krasnohorivka. A Ukrainian outpost near Verkhnyotoretske became the target of small arms, heavy machine guns and automatic grenade launchers. One pro-Russian Orlan-10 drone was shot down over Kurdiumivka, in the area of Svitlodarsk dam. One Ukrainian serviceman was wounded at Krasnohorivka.

29 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 6 occasions on Ukrainian positions the previous day, exclusively in Donetsk region; the fire was not returned. The spokesman of the Ministry of Defence on issues related to ATO confirmed at noon that one Ukrainian serviceman was wounded in the Donbass region on 28 December. Pro-Russian officials at Donetsk city reported five Ukrainian violations of the ceasefire in five different locations around Donetsk city using small arms, automatic grenade launchers, rocket launchers and 82 mm mortars. The main targets were the urban areas of Trudovske and Zhabicheve. A Ukrainian quadcopter drone was shot down by rebel forces. No violations of the truce were recorded by pro-Russian authorities from the self-proclaimed Luhansk People's Republic.

According to the information provided by the ATO press-centre in the evening, as of 6:00 pm pro-Russian forces had opened fire twice with infantry weapons and rocket launchers on positions of Ukrainian troops, at Verkhnyotoretske and in the area of Butivka mining complex; the fire was not returned. One Ukrainian soldier was lethally wounded at Butivka mining complex, one Ukrainian serviceman was wounded at Katerynivka, and another at Kamianka. Pro-Russian authorities at Donetsk city reported that by noon the Ukrainian military attacked their positions around Nyzhne Verkhnyotorestske, Olenivka and Horlivka with small arms, heavy machine guns, automatic grenade launchers and antitank rockets. In the case of Olenivka, the village was hit by 120 mm mortar rounds.

30 December
According to the information provided by the spokesman of the Ukrainian operational headquarters in the morning, pro-Russian troops had opened fire on 6 occasions on Ukrainian positions the previous day (including on 5 occasions in Donetsk region and once in Luhansk region ); the fire was returned once. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that one Ukrainian serviceman was killed and another two were wounded in the Donbass region on 29 December. Pro-Russian authorities at Donetsk city reported three Ukrainian violations of the ceasefire in Olenivka and Nyzhne Verkhnyotoretske using small arms, heavy machine guns, automatic grenade launchers launchers, 82 mm and 120 mm mortars. According to local officials, Ukrainian forces broke the ceasefire on one occasion within the boundaries of Luhansk People's Republic when pro-Russian positions at Kalynivka became the target of small arms, heavy machine guns and automatic grenade launchers.

The press-centre of the ATO HQ reported in the evening that as of 6:00 pm pro-Russian troops had opened fire on Ukrainian troops on 3 occasions in the region of Mariupol. Ukrainian forces at Vodiane were harassed with small arms and heavy machine gun fire from Sakhanka, while Pavlopil was hit twice by small arms, rocket launchers and 82 mm mortars firing from Naberezhne. One Ukrainian serviceman was wounded by the explosion of an unidentified device in the area of Krymske. Media from the self-proclaimed Donetsk People's Republic reported that in the outskirts of Donetsk city, Spartak was fired at from infantry weapons and automatic grenade launchers. Ukrainian forces also fired heavy machine guns with tracer ammunition on Trudovske, where an apartment was set on fire. Later in the evening the Ukrainian military shelled Sosnovske, in the region of Mariupol, with 82 mm mortars.

31 December
The ATO HQ reported in the morning that pro-Russian forces had opened fire on 4 occasions on Ukrainian positions the previous day, exclusively in Donetsk region; the fire was returned once, in the area of Hranitne. The spokesman of the Ministry of Defence on issues related to ATO reported at noon that one Ukrainian serviceman was wounded in the Donbass region on 30 December. Pro-Russian officials at Donetsk city reported four Ukrainian violations of the ceasefire in five different locations around Donetsk city and the region of Mariupol using small arms, automatic grenade launchers, rocket launchers and 82 mm mortars. Ukrainian forces broke the ceasefire once within the boundaries of the self-proclaimed Luhansk People's Republic, according to local sources. The Ukrainian military harassed pro-Russian positions at Nyzhne Lozove with small arms, heavy machine guns and rocket launchers.

The ATO HQ reported in the evening no ceasefire violations during the first 18 hours of the last day of 2017. Later in the evening the Ukrainian side registered 7 ceasefire violations. Around Donetsk city, Ukrainian troops at Verkhnyotoretske were attacked with infantry weapons. In the region of Mariupol, 82 mm and 120 mm mortar rounds landed in Hnutove, while Vodiane came under small arms fire. The Ukrainian stronghold of Shyrokyne was hit by antitank rockets and 82 mm mortars. One Ukrainian soldier was wounded  at Verkhnyotoretske.