Al Qaeda blames ` ` non - complete explosion '' on ` ` technical problem '' President Obama vows to use ` ` every element '' in the military to combat terror . Part of explosive device was sewn into suspect 's shirt , official says . Al Qaeda says it tested new explosive that got through security ; saved more lives .
Al Qaeda blames `` non-complete explosion '' on `` technical problem '' President Obama vows to use `` every element '' in U.S. arsenal to combat terror . 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 .