Why was he ever allowed to fly? Syringe bomber had been barred from Britain, was on a terror list and even his father had warned U.S.

UK Daily Mail | December 27, 2009
Jason Lewis and Sharon Churcher

Al Qaeda warned of fresh terror attack on December 21

New security measures will mean increased delays at airport

President Obama orders review of airline security

Alleged bomber was on security database but wasn't considered threat

Student suspect was barred from Britain

President Obama ordered an urgent review of airline security tonight, demanding to know how a former British student identified as a terror risk was allowed to board transatlantic plane before attempting to blow it up.

The move came as a second incident on a plane at the same airport caused a major security scare.
A man was removed from the flight after becoming verbally disruptive on landing. It later transpired he posed no security risk.

Tonight it also emerged that Al Qaeda had warned of a terror attack just days before the attempt to bring down the jet carrying 278 passengers.

In a chilling video posted on an extremist internet on December 21, a bearded man in head-dress warned: 'We are carrying a bomb to hit the enemies of God.'

Full article here