An ISIS booby-trapping expert died alongside three helpers after a car he was rigging with bombs exploded in his workshop.

Abu Yusuf al-Halab, a Syrian in his forties, was killed in the blast near the town of Tal Afar, reports an Iraq-based news agency.  The man was known as 'al-mohandis', Arabic for engineer, according to a source who asked to remain anonymous. 

The source told AlSumaria News: 'Abu Yusuf al-Halabi, a prominent expert of vehicles booby-trapping in Tal Afar, was killed along with three of his aides.  'This was due to an explosion of a car while booby-trapping it inside a workshop.'

The incident follows the death of an ISIS commander by sniper fire around the same location. 

Read more: Daily Mail