Abu Housse, one of Jaysh Maghawir al-Thawra, have defected to the government-held area in southeastern Syria with 10 fighters and a vehicle and some weapons.
According to the reports, Abu Housse and his fighters had 1 technical vehicle, 3 heavy machine guns and over 10 rifles.
Jaysh Maghawir al-Thawra is one of the US-backed militant groups operating from the At-Tanf garrison controlled by the US-led coalition at the border with Iraq.
Earlier this week, the Pentagon announced that the US-led coalition has dropped its support to another militant group, Shuhada al-Qaryatayn Brigade, operating in the same area. The stated reason was that Shuhada al-Qaryatayn Brigade had been conducting operations not related to fighting against ISIS.
These developments may indicate a low morale among members of the US proxy forces at the Syrian-Iraqi border area and may lead to a full collapse of the US-backed force deployed at At Tanf.