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Security alert at London Heathrow Security alert at London Heathrow
(20 minutes later)
Heathrow Airport's Terminal 4 has been evacuated after suspect baggage sparked a security alert. Heathrow Airport's Terminal 4 has been evacuated after a suspect package sparked a security alert.
Passengers were advised to leave the building because of a "suspect bag", airport operator BAA said. The Metropolitan Police said it was dealing with the item at the terminal which had been evacuated and all roads leading to it closed.
A BAA spokesman said departing passengers were being subject to "secondary searches" and delays to flights were expected. BAA said departing passengers were being re-screened and delays to flights were expected.
The alert comes amid heightened security following failed terrrorist attacks in London and Glasgow. Earlier on Tuesday a controlled explosion was carried out on a suspect device near Hammersmith Tube station.
Alternative route
The alerts come amid heightened security following failed terrorist attacks in London and Glasgow.
A Metropolitan Police spokeswoman said all air traffic from terminal four had been stopped while checks were carried out.
During the morning rush-hour Hammersmith Tube station in west London and surrounding roads were closed when a suspect device was found at about 0825 BST.
There was an unconfirmed report the suspect objects had turned out to be three abandoned fire extinguishers.
Up to 8,000 commuters were forced to find alternative routes into work as Hammersmith and Barons Court stations were closed for an hour.
There were also severe delays for motorists as Hammersmith Broadway was closed between King Street and Shepherd's Bush Road as well as Hammersmith Bridge.
Tower Hill and East Ham Tube stations were shut during the morning rush-hour in a separate alert.