The extent of their injuries has not yet been disclosed. Crews deployed one of the London Fire Brigade’s 32-metre turntable ladders, allowing firefighters to douse the flames from above.

"The pilot came on and said some of us may have noticed that the plane was turning around, not to be alarmed, but London Heathrow was closed due to a fire," said Justin McLane, who flew from Boston.

LONDON (AP) — A fire at an electrical substation knocked out power to Heathrow Airport for most of Friday, forcing Europe’s busiest hub to shut down for roughly 18 hours, causing widespread ...