Heathrow Airport was warned about the "resilience" of its power supply in the days before a fire which shut down the airport for more than a day last month.

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 the entire hub was shut down due to an outage that caused massive disruption, lawmakers were told on Wednesday."It was following a couple of incidents of,