Drivers pull over to watch the substation fire near Heathrow airport

Footage shows drivers pulling over in the street to watch the substation blaze near Heathrow airport.

Dozens of vehicles pulled over on the Haye bypass on March 20, at 11:57pm.

The London fire brigade was called at 23:23pm after receiving 212 calls to a fire in a high voltage substation.

Two fire engines and 70 firefighters attended the scene.

As a result of the fire Heathrow Airport is without power and will remain closed until 23:59 on March 21, leaving thousands stranded.

The passerby, who filmed the footage and wants to remain anonymous said: "We saw it from the M4, we were amazed.

"As we were getting closer, the fire was getting bigger and bigger - it was unbelievable.

"So many people had pulled over on the side of the road to take pictures and have a look at what was going on."