Britain's Heathrow Airport was shut on Friday after a huge fire at a nearby electrical substation wiped out its power, disrupting flight schedules around the world. Around 70 firefighters were tackling the blaze in the west of London,

International flights from the Northeast to London faced severe disruptions after a massive fire at a high-voltage substation near Heathrow Airport cut power to two terminals, triggering a total airport shutdown.

London's Heathrow Airport — one of the busiest airports in the world — was closed on Friday after a fire at a nearby power station caused a power outage. An estimated 200,000 travelers could be affected.