Security sources believe that liquid explosives would have been used which could have been mixed during the flight into a lethal concoction.
Home Secretary John Reid said:
"Overnight the police, with the full knowledge of Ministers, have carried out a major counter-terrorism operation to disrupt what we believe to be a major threat to the UK and international partners.
"The police, acting with the Security Service MI5, are investigating an alleged plot to bring down a number of aircraft through mid-flight explosions, causing a considerable loss of life. The police believe the alleged plot was a very significant one indeed.
What usually happens after one of these Muslim problems is the strong will stand and fight, and the weak will cower and try to run away (the latter group being liberals). This will prove no different.