Yowsahs: Heathrow Closed After Massive Substation Fire, Flights Turned Away

Heathrow Airport has been closed until at least midnight tonight after experiencing a major power outage following a fire at a west London electrical substation.

Passengers were asked not to travel to the airport "under any circumstances", while British Airways said it would not be operating flights out of its global hub "until further notice".

"Significant disruption is expected over the coming days," a Heathrow spokesperson said.

Thousands of passengers have been left stranded, as the airport was due to see over 1,330 scheduled flights today, flying up to 291,000 passengers, according to aviation analytics firm Cirium.