Heavy artillery fire was reported Wednesday around the city of Donetsk in eastern Ukraine in what observers described as some of the worst fighting in the months since a shaky ceasefire was declared.
Russia's War Against Ukraine
CNN: Separatists, government forces clash in eastern Ukraine
A man stands amongst rubble in a building destroyed as a result of shelling between Ukrainian forces and pro-Russian separatists in the eastern Ukrainian city of Horlivka, Donetsk region on June 2, 2015.
