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Heathrow Airport at 'standstill' due to alarm Heathrow Airport at 'standstill' due to alarm
(35 minutes later)
A number of planes are currently unable to land or take-off from Heathrow Airport, the airport has confirmed. A number of planes at Heathrow Airport have been disrupted after its control tower was forced to evacuate.
A fire alarm on the airfield has been activated meaning that it needs to be investigated by emergency services, according to a spokeswoman Heathrow Airport. The alarm on the airfield meant several flights were unable to land or take-off from the airport.
The London Fire Brigade said it has not been called to Heathrow. Flights were forced to divert to Gatwick and Stansted airports, while some had to return to their original destinations after take-off.
Several flights have had to delay their arrival and some have been diverted to Stansted Airport. Heathrow Airport said the alarm has been investigated, and "operations" have started to resume.
A spokeswoman for the National Air Traffic Services (NATS) said: "the control tower had been evacuated" after an alarm was triggered.
Heathrow Airport has tweeted to apologise for the delays:Heathrow Airport has tweeted to apologise for the delays: