The official said he had raised concerns about Heathrow’s electricity supply days before a power outage forced it to shut down. Heathrow disputed the relevance of the official’s comments.

Heathrow Airport was warned about its power supply in the days before it closed because of an outage, MPs were told. Nigel Wicking, chief executive of Heathrow Airline Operators Committee, which represents airlines that use the west London airport,

Heathrow Airport faced severe disruptions on 21 March after a power substation fire led to a near 24-hour shutdown, impacting over 250,000 passengers. Airlines had warned Heathrow about vulnerabilities in its power supply days before the incident,