Heathrow Airport will be closed all day, and there are now queues at airports across the UK
On March 21, 2025, a fire at an electrical substation near Heathrow Airport caused a significant power outage, forcing the airport to close for the day. This closure disrupted over 1,350 flights, causing travel chaos and long queues at airports across the UK, including Manchester and Edinburgh. Flights were cancelled and diverted, impacting passengers traveling to and from Heathrow. Other airports like Gatwick accepted diverted flights. The Heathrow Express train service was also suspended.