The Russian center for reconciliation in Syria asked its US counterpart in Amman for clarifications after a Turkish attack on the Syrian city of Tel Abyad Saturday night. Otherwise, apart from sporadic local clashes, Syria remained relatively quiet Sunday, the second day of the cessation of hostilities. Lt. Gen. Sergei Kuralenko, head of the Russian center said Turkey had staged an attack of armed units supported by artillery on the Syrian town of El Abyad.  DEBKAfile:  The Kurdish PYD-PYG mlit8ia and ISIS forces are fighting for control of the town. The Turks intervened on the side of ISIS, although Ankara is a member of the US-led anti-ISIS coalition. Russia and the US have set up reconciliation committees in the region to deal expeditiously with any problems arising from ceasefire violations.