A grass fire has broken out near London's Heathrow Airport with smoke billowing across the runway, Daily Mail reported.
Fire services were scrambled to the field in Hatchett Road, Feltham near the airport at 4.30pm.
Four fire engines and 20 firefighters are currently at the scene, where temperatures have reached 84F (29C) today.
A Heathrow Airport spokesman told MailOnline the fire is not affecting flights.
The cause of the blaze is not yet known. More to follow.