(Hassan Abboud/Twitter)

Other deaths include Ahrar's shura councilmember Abu Yazan al-Shami, military field commanders Abu Talha al-Askari and Abu Yousuf Binnish, and the head of the Iman brigade Abu al-Zubeir.

The Idlib meeting brought together members of various brigades to discuss a strategy to fight against the Islamic State.

Those responsible for the bombing are unknown at the time.

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