A pro-Russian separatist from the Vostok (East) battalion poses for a picture atop a T-64 tank in Donetsk, eastern Ukraine, July 16, 2014. Fighting raged in Ukraine’s east on Wednesday when separatists tried to break through the lines of government forces near the border with Russia and a tentative step towards agreeing conditions for a ceasefire failed. REUTERS/Maxim Zmeyev (UKRAINE – Tags: POLITICS CIVIL UNREST MILITARY TPX IMAGES OF THE DAY)