A pro-Russian separatist looks through binoculars as he observes the area at a check point on the outskirts of Donetsk September 6, 2014. An uneasy calm prevailed in eastern Ukraine on Saturday after Ukrainian forces and pro-Russian separatists signed a ceasefire as part of a drive to end a war that has triggered a deep crisis in relations between Russia and the West. REUTERS/Maxim Shemetov (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT MILITARY)