A fire at an electrical substation knocked out power to the airport for most of Friday, forcing Europe's busiest hub to shut down for roughly 18 hours, causing widespread cancellations and rerouting headaches, and stranding roughly 200,000 passengers.
LONDON (AP) — The British government on Saturday ordered an investigation into the country's “energy resilience” after an electrical substation fire shut Heathrow Airport for almost a day and raised concerns about the U.K.'s ability to
