(better known by its former name, al-Nusra...formally Jabhat an-Nusrah li-Ahli al-Sham (Support Front for the People of the Levant), also known as al-Qaeda in the Levant. They aim to establish a pan-Arab caliphate. Not the same one as the Islamic State, though .. ...
Front) launched a swift counter-offensive against rival Islamist militia Jabhat Tahrir Souriya amid ongoing festivities in the western countryside of Aleppo province.
Rebel sources report that Ha’yat Tahrir al-Sham managed to recapture the towns of As-Sadiyah, Sahyan, Aajel and Jamiyat al-Fursan from Jabhat Tahrir Souriya only hours after the latter had seized them itself.
The Free Syrian Army
... the more palatable version of the Syrian insurgency, heavily influenced by the Moslem Brüderbund...
-linked Noor al-Din al-Zenki faction (part of Jabhat Tahrir Souriya) reportedly lost four vehicles to Ha’yat Tahrir al-Sham ‐ in detail, one armed pickup and a van captured as well as 2 other technicals destroyed.
Both warring rebel factions took on relatively serious losses as a result the engagement with about fifteen fighters being killed on each side during festivities that only lasted a matter of hours.