NEW: Syrian tribal forces backed by the Assad government, have mounted an assault along the Euphrates river in Deir Ezzor pro

— NEW: Syrian tribal forces backed by the Assad government, have mounted an assault along the Euphrates river in Deir Ezzor province; the cities of Al Busayrah, Diban, and outskirts of Abu Hammam have been captured The US-backed SDF Kurds are bringing in reinforcements to stop the advance. The Assad-backed rebel troops are approaching the US base in Al-Omar oilfield, known as the ’Green Village’. Source: Middle East Spectator