Did Heathrow ignore power outage warnings before the airport shutdown?

Heathrow Airport faced severe disruptions on 21 March after a power substation fire led to a near 24-hour shutdown, impacting over 250,000 passengers. Now, questions are being raised about the airport’s preparedness and response to the crisis This frame grab taken from a UGC video shot and posted on X on March 21, 2025 by @chrisjbrogan shows smoke billowing from a fire at a neighborhood electrical substation supplying power to Heathrow Airport in Hayes, west London. File Image/AFP United Kingdom’s Heathrow Airport was cautioned about the resilience of its power supply just days before a fire at an electrical substation led to a shutdown, affecting nearly 300,000 passengers. Airplanes remain parked on the tarmac at Heathrow International Airport after a fire at a nearby electrical substation wiped out the power at the airport, near London, UK, March 21, 2025.