The SDF was the key force that helped defeat ISIS. It was backed by the US. Now it is integrating into the new Syrian security forces.

The SDF says its integration with Damascus is complete, but major questions remain over its fighters, weapons and the future of Kurdish self-rule.

In speech from presidential palace, Mazloum Abdi announces 'end of mission' for Syrian Democratic Forces, which formed in 2015 and led successful US-backed campaign against ISIS