A drone attack hit a compound run by U.S. troops and U.S.-backed Syrian opposition fighters in eastern Syria on Monday, with no casualties, the United States military said.
"Operation Inherent Resolve forces, in coordination with our Maghaweir al-Thowra partners, responded to an attack by multiple unmanned aerial systems in the vicinity of Al-Tanf Garrison," the U.S. military said in a statement.
Maghaweir al-Thowra are U.S.-backed Syrian opposition fighters. U.S. and coalition troops are based at Al-Tanf to train Syrian forces to counter Islamic State militants.