Mystery remains over huge fire that shut down Heathrow Airport
An aeroplane at Heathrow Airport. PHOTO/@HeathrowAirport/XThe root cause of the fire that sparked a major power outage at Heathrow Airport remains unknown, the UK’s national energy system operator has said. The blaze in March at the North Hyde Substation, which supplies electricity to Heathrow about 1.5 miles away, caused a power outage, which meant Europe’s…