Senior US officials have voiced growing concerns that al-Qa'ida may have developed a liquid explosive that could be undetectable under current security systems whilst the military has evacuated its non-essential government personnel from Yemen.
An explosive liquid developed to be dipped onto ordinary clothing, becoming explosive when dry, could be used in a potential attack, according to two senior government officials briefed on the terror threat that has prompted the closure of nearly two dozen US embassies.
Another senior official has reportedly said that it may not be detectable under the current security measures.
The new technique is believed to have been developed by Yemen-based al-Qa'ida affiliate al Qaeda in the Arabian Peninsula (AQAP), of which bomb-maker Ibrahim al-Asiri is associated.
Al-Asiri is thought to have masterminded explosive devices such as the underwear bomb and surgically implanted body bombs.
Transportation Security Administration boss John Pistole expressed concerns in July over an improved version of the underwear bomb that may have been developed.
However, the TSA refused to comment on the liquid devices, although an official spokesperson said: "As always, our security posture, which at all times includes a number of measures both seen and unseen, will continue to respond appropriately to protect the American people from an ever evolving threat picture.“ Continue reading via The Independent...