US-backed forces in Syria make gains against rebel Arab tribesmen

A US military vehicle drives through the countryside near the town of Qamishli, Syria (Baderkhan Ahmad/AP)

US-backed forces in Syria have pushed deeper into the last stronghold of Arab tribesmen who took up arms against them in the east of the country.

A spokesperson said they hoped to end the days-long clashes there in the “next 24 hours”.