One week on from a catastrophic power outage that led to the complete closure of London Heathrow, three CEOs give their take.

Heathrow Airport was forced to close after a fire at nearby electricity substation in Hayes caused widespread power cuts.

CEO says airport will review case for upgrading grid connections after outage that shut hub for nearly 24 hours ...

British Airways owner IAG expects to take a financial hit in the "tens of millions" of euros from the complete shutdown of Heathrow airport for the best part of a day on 21 March.