European powers are backing a new ceasefire agreement announced Saturday for embattled eastern Ukraine, where Ukrainian forces and Russian-backed separatists have been locked in conflict for three years. Russian Foreign Minister Sergei Lavrov said the deal, set to begin Monday, was settled with input from German and French counterparts, and comes after two other internationally-brokered ceasefires have fizzled in a region where the fighting has only raised tensions between Russia and the West.