Al Qaeda bombmaker who blew up own brother killed in U.S. attack

Ibrahim Hassan al-Asiri, believed to have been behind the attempt to take down a Detroit-bound plane on Christmas Day 2009, was killed in Yemen, officials say.

A notorious Al Qaeda explosives expert who turned his own brother into a human bomb was among those killed in a successful U.S. terrorist strike in Yemen. Ibrahim Hassan al-Asiri - whose fingerprints were found on the deadly device concocted for the 2009 "Underwear Bomber" - was the key bombmaker for Al Qaeda in the Arabian Peninsula (AQAP).

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