Fri Mar 21 09:40:07 UTC 2025: ## Heathrow Airport Shuts Down After Substation Fire Causes Massive Power Outage
**London, UK** – A major fire at an electrical substation near Heathrow Airport plunged the London hub into chaos on Friday, March 21, 2025, leading to its complete closure and widespread disruption for tens of thousands of passengers. The airport, one of the busiest in the world, confirmed the shutdown on social media, citing a power outage caused by the blaze at the North Hyde substation in Hayes, west London.
The fire, which broke out early Friday morning, also caused extensive power outages in surrounding residential and commercial areas. Authorities initially advised residents to keep windows and doors closed due to significant smoke plumes. While the fire was brought under control by approximately 6:30 GMT, officials warned it would be a prolonged incident. The cause of the fire remains under investigation, but Energy Secretary Ed Miliband stated there is no suggestion of foul play.
Heathrow Airport announced its closure until 11:59 PM on March 21, urging passengers not to travel to the airport and to contact their airlines for updates. Hundreds of flights were disrupted, with at least 1,357 flights affected according to FlightRadar24. Many inbound flights were diverted to Amsterdam, Frankfurt, and Manchester, leaving hundreds of aircraft circling in the air awaiting diversion.
The impact on passengers was significant. Some received advance notice of cancellations and diversions, while others were stranded at Heathrow or connecting airports. Airlines, including British Airways, offered refunds and are working to reschedule flights. One passenger, Ellen, described the disruption to her planned birthday trip to Venice.
The closure affected an airport handling approximately 1,300 flights daily and serving over 83 million passengers annually. Aviation experts predict that it could take days to fully restore normal operations. The incident highlights the vulnerability of major transportation hubs to infrastructure failures. While smaller-scale incidents have occurred before, the magnitude of this disruption underscores the significant impact such events can have on global travel.
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