Pro-Russian rebels fire weapons during clashes with Ukrainian troops on the outskirts of Luhansk, Ukraine, Monday, June 2, 2014. Hundreds of pro-Russian 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)
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