Underwear bomb device from 2009 attack attempt
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Bomb plot foiled: Experts analyse new underpants bomb

8 May 2012 Last updated at 13:01 BST

Experts in the United States have been analysing a sophisticated new al-Qaeda bomb to work out whether it could have slipped past airport security and blown up an airplane.

US officials said the plot by al-Qaeda in the Arabian Peninsula to attack a US-bound plane using an updated 'underwear bomb' was foiled by an insider infiltrating a terror cell.

Gordon Correra reports.