Several days on from Heathrow's 18-hour shutdown caused by a fire at an electrical substation, the recriminations and the blame-shifting are well underway.

Thomas Woldbye, Heathrow’s CEO, is taking the brunt of the criticism, after reports at the weekend that he went to bed at 12.30am on Friday morning instead of directly overseeing the airport's response.

Meanwhile, the boss of the National Grid told the Financial Times that Heathrow could have stayed open with energy from two other substations.

So who is to blame? And what does it say about Britain's infrastructure that a fire at a substation was enough to close the fourth-busiest airport in the world?

Plus, five years on from the Covid lockdowns, we speak to a primary school head teacher about the consequences it had on children's development.

Producers: Georgia Coan and Lilian Fawcett

Senior Producer: John Cadigan

Planning Editor: Venetia Rainey

Social Media Producer: Ji-Min Lee

Video Editor: James Moorhead

Studio Director: Meghan Searle

Editor: Camilla Tominey

Production support from Will Lewis

Original music by Goss Studio

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