Home Secretary Theresa May confirms that a suspect package found on a plane could have exploded. "The target may have been an aircraft and had it detonated the aircraft could have been brought down," she said. The explosive material is PETN (see above video) The bombs set to go off on passenger jets and synagogues by Muslim terrorists "were expertly constructed." Yemeni security forces have also launched a wider search for more suspects believed to be linked to the Yemeni branch of al Qaeda and the mail bombs, AFP reported, citing local media reports. •Investigations into bomb threat continue •Link...