Security alert at Heathrow Airport

Armed policemen were last night believed to have a boarded an aeroplane at London's Heathrow Airport and removed two passengers from the plane.

Armed policemen are believed to have boarded an aeroplane at London's Heathrow Airport before removing two passengers from the plane.

They are thought to have boarded a flight bound for Dubai which was due to take off at 8pm. The plane remains on the tarmac.

The Metropolitan Police have confirmed they are dealing with a security incident at the airport which remains open.