An activist in a handmade metallic helmet stands behind a barricade at the regional administration building in Donetsk, Ukraine, Monday, April 7, 2014. Outside the Donetsk building, a barricade of car tires and razor wire was built up to thwart police from retaking it. Interfax cited police in Donetsk as saying one armed group fired into the air and attempted to seize the regional state television broadcaster Monday but retreated after police and guards in the building also fired warning shots into the air. (AP Photo/Alexander Ermochenko)
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