LONDON — London’s ... is one of many that supply Heathrow, though it may have serviced critical areas, leading to the airport-wide shutdown. There are enough supplies in the grid to restore ...

It takes 10 hours to restore key airport systems if they lose power, MPs on the Transport Select Committee were told ...

Three weeks after Heathrow closed down for almost a day due to a power substation fire, Britain 's biggest airport has ...

Heathrow sees big fall in passenger numbers in month of power cut shut-down - Almost 300,000 passengers were caught up in the ...