Pentagon-trained rebels in Syria are reported to have betrayed their American backers and handed their weapons over to al-Qaeda in Syria immediately after re-entering the country.

Fighters with Division 30, the “moderate” rebel division favoured by the United States, surrendered to the al-Qaeda-affiliated Jabhat al-Nusra, a raft of sources claimed on Monday night.

Division 30 was the first faction whose fighters graduated from a US-led training programme in Turkey which aims to forge a force on the ground in Syria to fight against the Islamic State (ISIS). […]