Syrian President Bashar Assad is an "arch-terrorist" and it is time Russia realized he is "literally and metaphorically toxic", British Foreign Secretary Boris Johnson said Sunday. Johnson said Assad's ally Moscow still had time to be on the "right side of the argument", in a Sunday...

At least 43 people were killed Saturday in a suicide car bomb attack on buses carrying Syrians evacuated from two besieged government-held towns, opposition-aligned activists said in an updated toll. The Syrian Observatory for Human Rights said most of the dead were evacuees, but they...

A bomb blast hit a bus convoy waiting to enter Aleppo on Saturday, killing and wounding dozens of people after an evacuation deal between Syria's warring sides halted and stranded thousands at two transit points on the city outskirts. Pro-Damascus media outlets said a suicide attacker had...

The top U.S. military commander in Afghanistan said on Friday that the decision to deploy one of the largest conventional bombs ever used in combat was purely tactical, and made as part of the campaign against Islamic State-linked fighters. As many as 36 suspected Islamic State militants...