Footage emerged online showing a group of eight men, believed to be members of the Free Syrian Army, gathered around a camera.
The 30-second clip which has not yet being verified shows the rebels sitting in front of a rebel flag and flanked by rifles, they sing into a microphone and appear to be filming a propaganda video.
One of the rebels is then seen holding a mobile phone up in front of his face to take a selfie of the group, but as he hits the button, it triggers an explosion, Mirror Uk reports.
Shocked rebels can be heard shouting ‘Allahu Akbar’ ( ‘God is great’ )- as the dust clears and the camera is seen pointing towards the ceiling.
However tt remains unknown if anyone was killed or injured in the blast.