How did a single fire bring down Europe's busiest airport?

A single fire at an electricity source caused the shutdown of Heathrow Airport, one of the world’s busiest, prompting questions about the resilience of the UK’s major infrastructure. The fire damaged a critical part of the National Grid’s substation, affecting the airport’s back-up systems and leaving thousands of homes without power. The incident raised concerns about the airport’s reliance on a single power source and highlighted the need for improved resilience standards in critical infrastructure sectors.

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