LONDON, ENGLAND - MARCH 21: Members of the Fire Brigade attend the scene following a major fire at an electrical substation at Heathrow on March 21, 2025 in London, England. A fire at the North Hyde electricity substation in Hayes has caused a significant power outage at Heathrow Airport leading to all flights in and out to be cancelled until midnight tonight affecting around 200,000 passengers. Some homes near to the fire have also been evacuated. (Photo by Leon Neal/Getty Images)
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Here's what we know so far about fire near Heathrow Airport

London's Heathrow Airport, one of the busiest airports in the world, has announced a complete shutdown following a power outage caused by a large fire nearby. According to tracking website FlightRadar24, the closure is expected to affect more than 1,300 flights. The London Fire Brigade says the cause of the fire is still under investigation. CNN's Nada Bashir reports.

01:01 - Source: CNN
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LONDON, ENGLAND - MARCH 21: Members of the Fire Brigade attend the scene following a major fire at an electrical substation at Heathrow on March 21, 2025 in London, England. A fire at the North Hyde electricity substation in Hayes has caused a significant power outage at Heathrow Airport leading to all flights in and out to be cancelled until midnight tonight affecting around 200,000 passengers. Some homes near to the fire have also been evacuated. (Photo by Leon Neal/Getty Images)
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Here's what we know so far about fire near Heathrow Airport
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