Heathrow bosses have defended their response to a fire that shut down Europe’s busiest air hub for almost a day after Britain’s energy system operator suggested the airport had enough electricity from other sources to keep running.

Britain's Heathrow defended its decision to shut down operations at Europe's busiest airport last Friday as the blame game intensified over an 18-hour closure which cost airlines tens of millions of pounds and stranded thousands of passengers.

Heathrow bosses are defending their response to a fire that shut down Europe’s busiest air hub for almost a day