Syrian rebels in the country's northwest said they came under attack from government ground forces at 4 a.m. (0200 GMT) on Saturday in they called a breach of the cessation of hostilities plan that came into effect at midnight. Three fighters from the rebel Second Coastal Division were killed...

U.S. special forces advisors are within miles of rebels who they are helping to capture the strategic Syrian town of al-Shadadi from Islamic State but are away from the front lines, a U.S. military spokesman said on Friday. The United States sent dozens of special operations...

Russia has committed not to launch strikes against Syrian groups the United States considers to be part of the moderate opposition, the U.S. State Department said on Friday, hours before a cessation of hostilities in Syria was due to start. It is "put-up or shut-up time" for...

Syria's branch of al Qaeda, one of its most powerful Islamist rebel groups, called for an escalation in fighting against the government and its allies, adding to the dangers facing an agreement to halt fighting set to start on Saturday. The government and rebel groups have agreed...