Fire At Substation Grounds Flights At Heathrow For The Day

LONDON, ENGLAND - MARCH 21: A general view of the exterior of Terminal 4 of Heathrow airport, after a fire at a nearby electrical substation led to the second busiest airport in the world closing for the day, 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)