A couple of pro-Russian activists sit in front of a barricade set in front of regional state administrative building in eastern Ukrainian city of Donetsk on April 9, 2014. Ukraine was threatened with disintegration on April 8, 2014 as pro-Kremlin militants seized government buildings in the eastern city of Donetsk, declared independence and vowed to vote on joining Russia.AFP PHOTO/ ALEXANDER KHUDOTEPLY        (Photo credit should read Alexander KHUDOTEPLY/AFP via Getty Images)