Chandlers forces may have spotted couple 's yacht off Tanzania . Yacht was towing 306 skiffs of type used by pirates . British couple left Seychelles for Tanzania on October 23 . But successful attacks have decreased as a result of a strong presence of international monitors . Yacht 's distress beacon activated October 21 .
Chandlers forces may have spotted couple 's yacht off Tanzania . Yacht was towing 306 skiffs of type used by pirates . British couple left Seychelles for Tanzania on October 23 . Yacht 's distress beacon activated October 21 .