A pro Ukrainian man chants slogans against Russian president Vladimir Putin, during a pro Ukraine rally in Donetsk, Ukraine, Monday, April 28, 2014. About a thousand pro-Russian activists armed with sticks and steel rods attacked the participants of pro-Ukrainian rally in center of Donetsk. Ukraine's acting government and the West have accused Russia of orchestrating the unrest, which they fear Moscow could use as a pretext for an invasion.(AP Photo/Manu Brabo)