U.S. and Russia pledge to intensify Syria ceasefire efforts
PARIS (Reuters) - The U.S. and Russia vowed on Monday to step up efforts to convince warring parties in Syria to abide by a troubled ceasefire agreement struck in February. "We have decided to reconfirm our commitment to the (ceasefire) in Syria and to intensify efforts to ensure its nation-wide implementation," the two powers said in a joint statement. (Reporting by David Brunnstrom; Editing by Laurence Frost)