Russian mediation fails to end siege of places in Syria's Hasakah province

DAMASCUS, Aug. 10 (Xinhua) -- The Russian mediation to end a three-day siege by the Kurdish-led Syrian Democratic Forces (SDF) on government-controlled parts in al-Hasakah province has so far failed, a war monitor reported on Friday night.

A Syria-based Russian delegation returned to the Russian-run Hmeimim Air Base in the northwestern province of Latakia on Friday after a failed attempt to negotiate with the SD