At least 11 rebels, including five foreigners, were killed, by a blast, targeting their position in Syria's north-western province of Idlib, a monitor group reported.
One French fighter was among the targeted rebels, of the Front for Liberating the Levant, previously known as, the al-Qaeda-linked Nusra Front.
The Syrian Observatory for Human Rights said, the blast targeted a spinning factory in Idlib, adding that, the death toll could likely rise, due to the critical conditions of some of the wounded.
Details surrounding the explosion are still forthcoming.
The London-based watchdog group noted that, the blast is the latest in a series of bombings, targeting the same rebel group in Idlib.
The al-Qaeda-linked group is designated as a terrorist organisation by the UN and the international community
Source: NAM News Network