At least 1,350 flights to and from Heathrow were affected already, including several from U.S. cities that were canceled, flight tracking service FlightRadar 24 said.
Aerials show Heathrow Airport shut down after nearby fire knocks out power
At least 1,350 flights to and from Heathrow were affected already, including several from U.S. cities that were canceled, flight tracking service FlightRadar 24 said.