The Nigerian man suspected of trying to blow up a US plane on Christmas Day is now co-operating and providing "useful" information, US officials say.
Umar Farouk Abdulmutallab had stopped talking to investigators but started again "last week", officials told US media.
Abdulmutallab, 23, is accused of trying to blow up a flight to Detroit with a bomb hidden in his underwear.
He has denied a charge of attempting to murder 290 people.
The BBC's Steve Kingstone in Washington says that with Abdulmutallab ...
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Added February 03, 2010
from Businessday Nigeria