A leaked clip from one of their cameras shows a group of the fighters booby trapping a mosque then waiting for the explosion, cheering and glorifying God when the explosion occur, and it's worth noting how the explosion of the minaret took place from bottom upwards. Watch carefully.

They claim the Syrian Arab Army (called by them Assad's forces) have positioned snipers in the minaret to justify targeting it in case their first lie is exposed, but you can see how comfortable they are in planting the explosives and shouting and waiting for the explosion to happen and it happened..