Ukrainian security forces patrol in the village of Bobrovyshche on July 14, 2015. More than 6,400 people have been killed in the conflict in Ukraine since April 2014, the United Nations says.
Ukrainian security forces on the lookout in Bobrovyshche on July 14. The country's troops face daily attacks from Russian-backed separatists despite a ceasefire being in place.
A man with a machine gun is among the Ukrainian troops standing guard in Krimskoe town of Luhansk, Ukraine, on June 25.
Shelling between Ukrainian troops and pro-Russian rebels leaves damage in Donetsk, Ukraine, on Monday, June 1.
A Ukrainian serviceman fires a grenade launcher on the front lines near Donetsk on Saturday, May 30.
An American soldier, right, trains Ukrainian troops on Tuesday, April 21, near Yavoriv, Ukraine. Operation Fearless Guardian, a six-month training exercise, involves about 300 members of the American 173rd Airborne and about 900 Ukrainian National Guard troops.
Residents flee with salvaged belongings during renewed fighting in the Jabunki neighborhood near the airport in Donetsk on Monday, April 13.
A mortar round sticks out of the ground near a destroyed tank at a former Ukrainian army checkpoint outside Chornukhyne, Ukraine, on Monday, March 2. Russian-backed separatists had recently overran the area.
An instructor of the Ukrainian volunteer Azov Battalion conducts training exercises in Kiev, Ukraine, on Sunday, March 1.
A woman makes her way across a bridge destroyed in heavy fighting in Donetsk, Ukraine, on March 1.
A volunteer gives humanitarian aid to residents of Popasna, Ukraine, on Saturday, February 28.
A Ukrainian serviceman climbs out of a tank at a checkpoint near Horlivka, Ukraine, on Monday, February 23.
A member of a Ukrainian military medical unit cries during a ceremony in Artemivsk, Ukraine, on February 23. Four of his comrades were killed near Debaltseve, Ukraine.
A man holds a Ukrainian flag as he covers a victim of an explosion in Kharkiv, Ukraine, on Sunday, February 22. The explosion during a peaceful protest left two dead and 15 wounded.
Pro-Russian rebels stationed in Horlivka launch missiles on Wednesday, February 18.
Pro-Russian separatists take position near Uglegorsk, Ukraine, on February 18.
An army ambulance damaged in recent shelling lies by a road near Svitlodarsk, Ukraine, on Sunday, February 15.
Ukrainian servicemen play with a soccer ball on a road between Svitlodarsk and Debaltseve on February 15.
A woman salvages items February 15 from the rubble of a destroyed clinic where she had worked in Opytne, Ukraine.
People carry a refrigerator through a balcony at an apartment building that was damaged in recent shelling in Svitlodarsk on February 15.
A recent ceasefire was brokered during marathon talks in Minsk, Belarus. From left, Belarusian President Alexander Lukashenko, Russian President Vladimir Putin, German Chancellor Angela Merkel, French President François Hollande and Ukrainian President Petro Poroshenko gather before negotiations begin on Wednesday, February 11.
People stand beside the body of a woman killed during shelling in Kramatorsk, Ukraine, on Tuesday, February 10.
A volunteer gets a medical checkup at a military base for pro-Russian rebels February 10 in Donetsk, Ukraine.
Ukrainian volunteer fighters and policemen arrest two men in Kiev, Ukraine, on February 9. The men allegedly arrived from Donetsk and were suspected of participating in pro-Russian rebel activities and organizing terrorist attacks in the Ukrainian capital.
Residents unload humanitarian aid in Debaltseve on Friday, February 6.
A man rides a bicycle in Vuhlehirsk, Ukraine, on February 6.
A child waits on a bus to leave Debaltseve on Tuesday, February 3, after increased fighting in the region.
A man stands next to his car in Donetsk on Sunday, February 1, after it was destroyed by shelling.
The body of a civilian killed during shelling lies on the ground in Donetsk on Friday, January 30.
People in Mariupol, Ukraine, pour soil into the grave of a recent shelling victim on Monday, January 26.
Ukrainian servicemen prepare ammunition at a position on the front line near Mariupol on January 26.
A man injured during shelling in Mariupol sits in an emergency hospital on January 26.
A piece of an exploded missile sits lodged in the ground outside an apartment building in the Vostochniy district of Mariupol on Sunday, January 25.
A resident walks by a burning building in Mariupol on Saturday, January 24.
A pro-Russian rebel takes cover from shelling in the Kievsky district of Donetsk on Thursday, January 22.
People in downtown Donetsk react as Ukrainian prisoners of war are handed over by pro-Russian rebels on January 22.
A trolleybus is damaged in Donetsk's Lenin District after its station was hit by a shell on January 22.
A rebel takes aim while protecting a supply position in the Kievsky district of Donetsk on January 22.
Rubble and debris cover the airport in Donetsk on Wednesday, January 21.
Vladimir Bovrichev cries next to the body of his 4-year-old son, Artiam, during Artiam's funeral on the outskirts of Donetsk on Tuesday, January 20. The boy was killed during a Ukrainian artillery strike.
Women sit in a shelter during a battle in Donetsk on Sunday, January 18.
A building hit by Ukrainian artillery is seen in the Voroshilovsky area of Donetsk on January 18.