In pictures: Clash in eastern Ukraine leaves at least three dead
Pro-Russian gunmen said one of their checkpoints was attacked by unknown assailants early Sunday morning
A pro-Russia protester warms himself by the fire on a barricade outside a regional government building in Donetsk, in eastern Ukraine, April 20, 2014. At least three people were killed in a gunfight in the early hours of Sunday near a Ukrainian city controlled by pro-Russian separatists, shaking an already fragile international accord that was designed to avert a wider conflict.MARKO DJURICA/Reuters
Local residents inspect burnt out cars after a night fight at the check point which was under the control of pro-Russian activists in the village of Bulbasika near Slovyansk, Ukraine, Sunday, April 20, 2014. At least one person was killed in the clash. Pro-Russian insurgents defiantly refused to surrender their weapons or give up government buildings in eastern Ukraine, despite a diplomatic accord reached in Geneva and overtures from the government in Kiev.Efrem Lukatsky/The Associated Press
A Ukrainian police officer takes pictures of evidence after a night fight at the checkpoint, which was under the control of pro-Russian activists in the village of Bulbasika near Slovyansk, Ukraine, Sunday, April 20, 2014.Manu Brabo/The Associated Press
An investigator looks at one of two vehicles destroyed at a pro-Russian checkpoint, where several people were reported killed in a gun battle overnight, on the outskirts of Slovyansk, Ukraine, April 20, 2014.MAURICIO LIMA/The New York Times
An investigator looks over vehicles destroyed at a pro-Russian checkpoint, where several people were reported killed in a gun battle overnight, on the outskirts of Slovyansk, Ukraine, April 20, 2014.MAURICIO LIMA/The New York Times
Investigators photograph ammunition casings at a pro-Russian checkpoint, where several people were reported killed in a gun battle overnight, on the outskirts of Slovyansk, Ukraine, April 20, 2014.MAURICIO LIMA/The New York Times
People stand at a barricade at the regional administration building that they had seized earlier in Donetsk, Ukraine, Sunday, April 20, 2014.Sergei Grits/The Associated Press
Bullet holes cover part of a burnt-out car after a night fight at the check point which was under the control of pro-Russian activists in the village of Bulbasika near Slovyansk, Ukraine, Sunday, April 20, 2014.Efrem Lukatsky/The Associated Press