London's Heathrow Airport reopened on Saturday after a power outage at one of the world's busiest airports the previous day caused widespread chaos and cancellations.

London Heathrow Airport in the United Kingdom will reopen later today after a fire caused a “significant" power outage, the airport said.

A massive power outage at London's Heathrow Airport brought operations to a halt.

Heathrow Airport said on Friday it will be closed until midnight after experiencing a significant power outage due to a fire.

London's Heathrow Airport​, one of the busiest airports in the world, was shut down by a power outage caused by a fire at an electrical substation.

The substation fire that shut Heathrow for most of March 21st turned out to be the latter—prompting a blame game between the airport and Britain’s electricity-system operator. (Heathrow’s chairman, Lord Deighton,