Air strikes hit positions of pro-Iranian forces and allied militias in eastern
Syria overnight, killing 18 fighters, a war monitor said Monday.
It was not clear who carried out the raids in the region of Albu Kamal near the border with
Iraq, according to the Syrian Observatory for Human Rights.
The Britain-based Observatory, which has a vast network of contacts across Syria, said "18 fighters were killed, but their nationalities have not yet been determined".