London's Heathrow airport closed after fire causes major power cut

People walk past a departure board displaying Singapore Airlines SQ318 flight to London Heathrow as cancelled at Singapore Changi Airport in Singapore on March 21, 2025. [AFP] Britain's Heathrow airport, Europe's busiest, was shut down early Friday for 24 hours after a major fire at an electricity substation cut power to the sprawling facility west of London, officials said. Airport authorities said they "expect significant disruption" over the coming days, with hundreds of flights and thousands of passengers affected. "Heathrow is experiencing a significant power outage," the airport operator said in a statement on its website, adding it would be closed until just before midnight Friday (2359 GMT). "Passengers should not travel to the airport under any circumstances until the airport reopens." Online flight tracking service FlightRadar24 said Heathrow's closure would affect at least 1,351 flights to and from the airport. It said 120 flights to the airport were in the air when the closure was announced. London Fire Brigade said there had been a "significant" fire at a substation in Hayes, a nearby town in the London borough of Hillingdon, which caused the power outage. It said 10 fire engines and around 70 firefighters were on the scene, while around 150 people had been evacuated from nearby properties. Images on social media -- which could not immediately be verified by AFP -- showed huge flames and smoke rising from the substation. An aerial photograph taken on March 21, 2025 shows smoke billowing from a substation supplying power to Heathrow Airport amid efforts to douse the remainder of the flames after a fire broke out in Hayes, west London. [AFP] Other videos, apparently shot inside Heathrow's terminals, showed shuttered shops and deserted corridors, lit only by emergency lighting. "The fire has caused a power outage affecting a large number of homes and local businesses, and we are working closely with our partners to minimise disruption," said London Fire Brigade assistant commissioner Pat Goulbourne. He said the blaze was first reported at 11:23 pm (2323 GMT). "This is a highly visible and significant incident, and our firefighters are working tirelessly in challenging conditions to bring the fire under control as swiftly as possible," a statement said. British utility firm Scottish and Southern Electricity Networks said on its website that an "unplanned outage" had left more than 16,000 homes without power in the area. - 80 million passengers a year - Heathrow handles more than than 80 million passengers a year and the operator says there are around 1,300 takeoffs or landings a day. Seven United Airlines flights returned to their airport of origin or to other airports and all Friday flights to London Heathrow are being cancelled, a spokesperson said. In Sydney, Qantas said two flights en route to Heathrow -- a non-stop flight from Perth and another via Singapore -- had both diverted to Paris' Charles de Gaulle airport. It said two other flights scheduled to fly out of London on Friday were likely to be impacted. In January, the government gave permission for Heathrow to build a third runway -- which could be ready by 2035 -- after years of legal wrangling brought on by complaints from local residents. Five major airports serve the capital and towns nearby. But capacity is stretched, especially at Heathrow whose two runways each measure almost four kilometres in length, while the airport covers a total area 12.3 square kilometres. It opened in 1946 as London Airport before being renamed Heath Row, a hamlet demolished two years earlier to make way for the construction. Situated 25 kilometres (15 miles) west of central London, the present Heathrow serves 200 destinations in more than 80 countries, with passengers having access to four terminals. Among its main flight destinations last year were Dublin, Los Angeles, Madrid and New York.

London's Heathrow airport closed after fire causes major power cut

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