A grassfire has broken out near Heathrow Airport, leading to the closure of one of its runways. The incident has caused delays to all flights at the UK's busiest airport.
Runway 27L Shut Down
Social media images show thick smoke rising near the airport, with reports indicating that runway 27L has been closed. A video posted by a passenger from inside the terminal shows the smoke and mentions delays affecting all flights.
Live Coverage
This is a live blog. Updates will be provided as the situation develops.
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