A plane is prepared whilst another airplane approaches landing at Heathrow Airport after a fire at an electrical substation shuttered Europe's busiest air travel hub in London, Friday, March 21, 2025.(AP Photo/Alberto Pezzali)
People watch a British Airways plane landing as authorities announced a partial resumption of flights after a fire at a nearby electrical substation has caused a closure of Europe's busiest airport in London, Friday, March 21, 2025.(AP Photo/Kin Cheung)
Travellers arrives at Terminal 5 as London's Heathrow Airport says it plans to resume some flights later Friday after a fire at a nearby electrical substation has caused a closure of Europe's busiest airport in London, Friday, March 21, 2025.(AP Photo/Kin Cheung)
Cancellations for British Airways flights to London Heathrow airport are displayed as cancelled on a departures board at JFK International airport, Friday, March 21, 2025, in New York. (AP Photo/John Minchillo)
Workers are seen as smoke rises from the North Hyde electrical substation, which caught fire last night, leading to the closure of the Heathrow Airport, in London, Friday March 21, 2025.(AP Photo/Kirsty Wigglesworth)
Smoke rises from the North Hyde electrical substation, which caught fire last night, leading to the closure of the Heathrow Airport, in London, Friday March 21, 2025. (Jonathan Brady/PA via AP)
This photo provided by London Fire Brigade, shows a fire at the North Hyde electrical substation, which caught fire Thursday night and lead to a closure of Heathrow Airport in London, Friday, March 21 2025. (London Fire Brigade via AP)
In this photo provided by Matthew Muirhead, a fire is seen at the North Hyde electrical substation near the Heathrow Airport in London, early Friday, March 21, 2025. (Matthew Muirhead via AP)
Firefighters extinguish the fire at the North Hyde electrical substation, which caught fire Thursday night and lead to a closure of Heathrow Airport in London, Friday, March 21, 2025.(AP Photo/Kirsty Wigglesworth)
Smoke rises from the North Hyde electrical substation, which caught fire last night, leading to the closure of the Heathrow Airport, in London, Friday March 21, 2025. (Jonathan Brady/PA via AP)
Stranded passengers makes their way down unlit stairs due to lifts not working to the car park at Heathrow Terminal 4 in London, Friday March 21, 2025, as consequence of the closure of the airport following a fire at the North Hyde electrical substation last night. (James Manning/PA via AP)
A fireman works at the North Hyde electrical substation, which caught fire last night, leading to the closure of the Heathrow Airport, in London, Friday March 21, 2025..(AP Photo/Kirsty Wigglesworth)
Planes are parked at Terminal 5 as Britain's Heathrow Airport has closed for the full day Friday after an electrical substation fire knocked out its power, disrupting flights for hundreds of thousands of passengers at one of Europe's biggest travel hubs in London, Friday, March 21, 2025.(AP Photo/Kin Cheung)
Travellers are waiting as Britain's Heathrow Airport has closed for the full day Friday after an electrical substation fire knocked out its power, disrupting flights for hundreds of thousands of passengers at one of Europe's biggest travel hubs in London, Friday, March 21, 2025.(AP Photo/Kin Cheung)
FILE - Airplanes are seen at the Heathrow Airport in London, May 27, 2023. (AP Photo/Kin Cheung, File)
Passengers with suitcases waitb on a nearby road after Britain's Heathrow Airport has closed for the full day Friday after an electrical substation fire knocked out its power, disrupting flights for hundreds of thousands of passengers at one of Europe's biggest travel hubs in London, Friday, March 21, 2025.(AP Photo/Kin Cheung)
Traveller Lauren Clark, left, and Shahin Jade Ali wait at Chhatrapati Shivaji Maharaj International Airport after a fire at Heathrow Airport in London forced its closure, leading to numerous flight cancellations, in Mumbai, India, Friday, March 21, 2025. (AP Photo/Rajanish Kakade)
Airport employees work as information sign is displayed at British Airways ticket counter at O'Hare International Airport in Chicago, Friday, March 21, 2025. (AP Photo/Nam Y. Huh)
The runway at Heathrow Airport is lit again after a fire at an electrical substation shuttered Europe's busiest air travel hub in London, Friday, March 21, 2025.(AP Photo/Alberto Pezzali)
A handwritten sign at a Heathrow Airport tube station in London indicates the airport is closed on Friday March 21, 2025, following a fire at the North Hyde electrical substation the previous night.(AP Photo/Alberto Pezzali)
A handwritten sign at a Heathrow Airport tube station in London indicates the airport is closed on Friday March 21, 2025, following a fire at the North Hyde electrical substation the previous night.(AP Photo/Alberto Pezzali)
In this photo taken from video provided by Matthew Muirhead, a fire is seen at the North Hyde electrical substation near the Heathrow Airport in London, early Friday, March 21, 2025. (Matthew Muirhead via AP)
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A plane is prepared whilst another airplane approaches landing at Heathrow Airport after a fire at an electrical substation shuttered Europe's busiest air travel hub in London, Friday, March 21, 2025.(AP Photo/Alberto Pezzali)