Heathrow Airport Shuttered for Full Day After Electrical Explosions Knock Out Power, Causing Chaos, Mass Flight Cancellations

Investigators are looking into the possibility of foul play.

London Fire Brigade 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 at London, March 21, 2025. London Fire Brigade via AP

All Flights at London’s Heathrow Airport were grounded for the entire day on Friday after a pair of explosions at a nearby electrical substation left the major European travel hub in chaos.

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