Bashar Assad

Syria says US-led strike hits troops in east, US denies

Iraqi Shiite forces and Syria accused the United States on Monday of targeting their troops inside Syria with an airstrike, a charge the U.S. denied but that ratcheted up tensions in the area.

Iraq's Iran-backed Popular Mobilization Forces, the units' umbrella organization, said in a statement that U.S. aircraft late Sunday night fired two missiles that hit a group of its fighters deployed along the Iraq-Syria border to prevent breaches by the Islamic State group. The statement said the attack left 22 fighters dead and 12 wounded, adding that Iraqi and Syrian authorities were aware of their deployment.

"We demand that the American side issues a clarification for what...