Mohammed Albasha , spokesman for the Yemen Embassy in Washington , confirmed to CNN Monday that AbdulMutallab was in Yemen between August and December . Al Qaeda blames `` non-complete explosion '' on `` technical problem '' and says it was caused by a bomb in the cargo hold of one of its planes. Part of explosive device was sewn into suspect 's underwear , official says . Al Qaeda says it tested new explosive that got through security ; threatens more attacks .
Al Qaeda blames `` non-complete explosion '' on `` technical problem '' and says it was caused by a bomb in the cargo hold of one of its planes. Part of explosive device was sewn into suspect 's underwear , official says . Al Qaeda says it tested new explosive that got through security ; threatens more attacks .