Al Qaeda 's Yemen wing is suspected in last year 's bomb attacks . Additional details surfaced Thursday pointing to similarities between the bombs found in packages mailed from Yemen last week and a failed attempt to blow up a plane as it landed in Detroit , Michigan , last year . Ties are drawn to the Christmas Day bombing attempt . Operations are being carried out in Britain and the United Arab Emirates .
Al Qaeda 's Yemen wing is suspected in last year 's bomb attacks . Ties are drawn to the Christmas Day bombing attempt . Operations are being carried out in Britain and the United Arab Emirates .