- Al-Qaeda’s former Syria affiliate is gaining ground from rival rebels in Syria’s Turkish-held north, on the heels of some of the deadliest inter-rebel fighting in the region in years.
- It has led to the deadliest inter-rebel flareup in the area in years.
- HTS, which is widely seen as the strongest and best organised of Syria’s rebel groups, threw its weight behind the Al-Hamza Brigade in its battles with Al-Jabha al-Shamiya and Jaysh al-Islam.
<span>Former Qaeda affiliate’s Syria advance: what we know</span>
