Reportedly, six fire engines and 40 firefighters are on the scene battling the blaze -- said to be a container storage site.
A massive fire has broken out just north of London's Heathrow Airport – with smoke billowing all over the airfield.
Witnesses say they heard sounds of a series of explosions.
Reportedly, six fire engines and 40 firefighters are on the scene battling the blaze. A container storage yard at a warehouse was alight, a spokeswoman confirmed to The Standard.
The cause of the fire is not yet known.
More details are awaited.
