A rare U.S. raid on a government-held village in northeast Syria early on Thursday killed an Islamic State official hiding out there, two security sources said.
The United States has carried out previous raids in Syria to target members of the Islamic State group but Thursday's would be the first known operation in a zone held by forces loyal to President Bashar al-Assad.
(Reporting by Orhan Qereman and Laila Bassam: Writing by Maya Gebeily; Editing by Jon Boyle)