The 100ml liquid restriction for hand luggage could be cancelled ... one day

The 100ml limit for liquids in hand luggage came into effect after the Sept 11, 2001, attacks in New York. — OLIVER BERG/dpa

Restrictions for carry-on liquids are set to be lifted for the first time in some airports since they were introduced in the wake of the Sept 11 attacks in 2001 to prevent acts of terrorism.

Airports in Britain and Germany are among those preparing to remove the notorious 100ml limit on liquids in hand luggage with the help of new CT scanning equipment.