Pro-Russian rebels stand near a monument during a ceremony to honour the World War Two defenders of Donetsk from Nazi forces in Donetsk September 8, 2014. A ceasefire struck between Ukrainian forces and pro-Russian separatists was largely holding on Monday in eastern Ukraine despite sporadic violations, but Europe's security watchdog said the sides must push for a political settlement. REUTERS/Marko Djurica (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY)