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Syrian rebels blast a crater into stronghold access highway

Frederic Lafargue / AFP - Getty Images

Rebels from Abu Suleiman's group of fighters detonate a pipe bomb to cut off access to their mountainous stronghold in the northern Syrian province of Idlib on March 20. Abu Suleiman, who finances the weapons for the unit which carries his name, has assembled one of the multitude of armed groups fighting the regime.

Frederic Lafargue / AFP - Getty Images

A rebel from Abu Suleiman's group of fighters prepares a pipe bomb, which will be detonated to cut road access to their mountainous stronghold in the northern Syrian province of Idlib on March 20. Abu Suleiman, who finances the weapons for the unit which carries his name, has assembled one of the multitude of armed groups fighting the regime.

Frederic Lafargue / AFP - Getty Images

A rebel from Abu Suleiman's group of fighters assesses the damage after detonating a pipe bomb that was used to cut road access to their mountainous stronghold in the northern Syrian province of Idlib on March 20. Abu Suleiman, who finances the weapons for the unit which carries his name, has assembled one of the multitude of armed groups fighting the regime.

Syria's rebel fighters are desperate for arms and ammunition. Members of the Free Syrian Army were forced from Idlib - one of the last rebel strongholds. ITN's John Irvine reports from outskirts of Idlib, the north western city which rebels surrendered last week.