A pro-Russian rebel pauses before going to the rooftop of an apartment building to fire a rocket propelled grenade during clashes with Ukrainian troops on the outskirts of Luhansk, Ukraine, Monday, ... more 
A pro-Russian rebel pauses before going to the rooftop of an apartment building to fire a rocket propelled grenade during clashes with Ukrainian troops on the outskirts of Luhansk, Ukraine, Monday, June 2, 2014. Hundreds of pro-Russia insurgents attacked a border guard base in eastern Ukraine on Monday, with some firing rocket-propelled grenades from the roof of a nearby residential building. At least five rebels were killed when the guards returned fire, a spokesman for the border guard service said.(AP Photo/Vadim Ghirda) less 
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Associated Press | Photo By Vadim Ghirda
Mon, Jun 2, 2014 12:42 PM EDT