Chief al-Qaeda bomb maker 'killed in Yemen strike' - US reports

Image source, Reuters

Image caption, Al-Qaeda has not commented on the reports or published a eulogy for Ibrahim al-Asiri

US officials are reportedly confident that al-Qaeda in the Arabian Peninsula's suspected chief bomb maker, Ibrahim al-Asiri, has been killed.

US media cited sources as saying they believed .

Asiri is alleged to have been behind the 2009 underwear bomb plot and made devices found on cargo planes in 2010.

Intelligence suggesting he was working on a bomb hidden in a laptop or tablet led the US to ban them on some flights.

A UN report published last week, which also said Asiri might have been killed, said .

, along with two or four associates, in Marib province.

AQAP has not commented on the reports or published a eulogy for Asiri, as it has done for other leaders and field commanders killed by the US and its allies.

The US designated Asiri, 36, as a "Specially Designated Global Terrorist" in 2011 and has offered a $5m (拢3.9m) reward for any information leading to his capture.

and was allegedly involved in planned bombings of oil facilities in the kingdom.

Asiri gained notoriety for the recruitment of his younger brother, Abdullah, as a suicide bomber.

in an attempt to assassinate Saudi Arabia's then security chief, Prince Mohammed Bin Nayef Bin Abdul Aziz Al Saud, who escaped with minor injuries.

The bomb contained the explosive pentaerythritol tetranitrate (PETN), and used a detonator with a chemical fuse, which was not spotted by a metal detector.

Image source, ABC News via Getty Images

Image caption, The bomb concealed in Umar Farouk Abdulmutallab's underwear failed to detonate fully

After the death of his brother, Asiri is thought to have designed the underpants bomb allegedly used by a young Nigerian man, Umar Farouk Abdulmutallab, in an attempt to blow up a US passenger jet as it flew into Detroit on Christmas Day 2009. That device also contained PETN and had a chemical fuse.

He is also believed to have made PETN bombs hidden in two printer cartridges, which were found on cargo planes in Dubai and the UK in October 2010. The cartridges were inside packages sent from Yemen to the US.

Intelligence reports that Asiri was developing bombs that could be hidden in portable electronic devices led to the US authorities banning uncharged laptops and mobile phones from flights to the US from Europe and the Middle East in 2014.

And in March 2017, reportedly after , the US from major airports in the Middle East.