UK’s Heathrow Airport closed after fire sparks power outage, flight chaos

A fire at an electrical substation near London’s Heathrow Airport triggered a massive power outage at the terminal on March 20, 2025. Airport authorities said Europe’s fifth busiest airport would remain closed the following day. Thousands of flights to and from Heathrow are expected to be affected, and hundreds of planes have already been diverted. The closure is expected to cause significant disruption to global air traffic for several days.