The boss of Heathrow Airport has apologised to the over 200,000 passengers whose journeys were disrupted by its closure last month following a fire. Thomas Woldbye offered his "deepest regrets" adding that the "situation was unprecedented".

Heathrow bosses were warned of the risk of the failure of a power substation days before an electrical fire shut the airport for almost 24 hours, MPs have been told.Nigel Wicking, chief executive of the Heathrow Airline Operators’ Committee (HAOC),

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.