American and Syrian military personnel were injured when an unidentified attacker opened fire on their patrol in the central Syrian town of Palmyra, Syrian state news agency SANA reported on Saturday.
SANA quoted a security source as saying that two members of the Syrian forces were injured and the assailant was killed, without providing further details.
The U.S. has troops stationed in northeastern Syria as part of a decade-long effort to help a Kurdish-led force there combat Islamic State.
Syrian security forces and United States soldiers have come under fire during a joint field patrol near Palmyra, in the central Homs region, leaving two Syrian personnel and several US service members wounded, the official Syrian Arab News Agency (SANA) state news agency reported.
The assailant was killed in the incident on Saturday, with no further details regarding the motive or circumstances, SANA reported.
Update