Intense fighting has erupted between Kyiv troops and pro-Russian rebels in eastern Ukraine. The violence signifies the most serious escalation in the conflict since a February truce deal. Both sides are trading blame.
Russia's War Against Ukraine
Deutsche Welle: Deadly battles near Donetsk signal escalation in Ukraine conflict
A fireman smokes a cigarette as he works along with co-workers to extinguish a fire at a market in Donetsk after shelling between Ukrainian forces and pro-Russian separatists on June 3.
