UK’s Heathrow airport closed after fire sparks power outage, multiple flights diverted

By South China Morning Post | Created at 2025-03-21 04:11:41 | Updated at 2025-03-28 01:22:38 6 days ago

Britain’s Heathrow Airport said on Friday it will be closed until midnight after experiencing a significant power outage due to a fire at a nearby electrical substation supplying the airport.

“To maintain the safety of our passengers and colleagues, Heathrow will be closed until 23h59 on 21 March,” Heathrow airport said in a post on X, adding that passengers are advised not to travel to the airport.

Fire crews are responding to the accident but there was no clarity on when power may be reliably restored, a Heathrow spokesperson said in an email, and added that they expect significant disruption over the coming days.

Eurocontrol, which manages air traffic control operations across Europe, said on its operations website that no arrivals were being allowed at Heathrow due to the power outage and there were diversion plans in place for flights.

According to flight tracking website FlightRadar24, dozens of diversions to other airports were already occurring, with Qantas Airways sending its flight from Perth to Paris and a United Airlines New York flight heading to Shannon, Ireland.

A United Airlines flight from San Francisco was due to land in Washington DC rather than London.

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