London's Heathrow Airport remains closed until midnight Friday due to a "significant power outage" caused by a fire at a ...

OCR:HeathrowAirport @HeathrowAirport Dueto a fire at an electrical substation supplyingtheairport Heathrow isexperiencingasignificant poweroutage. Tomaintainthesafetyofourpassengersandcolleaguesawil b ...