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Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.
London’s Metropolitan Police is no longer treating a substation fire that caused a power outage that led Heathrow airport to close as “a potentially criminal matter” following an investigation by counterterrorism officers.
The force found “no evidence to suggest the incident was suspicious in nature”, it said on Tuesday. Counterterrorism officers opened an investigation on Friday into the fire at the North Hyde substation in west London.
Europe’s busiest airport has been criticised for its decision to close for nearly 24 hours, despite the fact it was still able to receive power from other parts of the grid.
The closure caused the cancellation of more than 1,300 flights, affecting hundreds of thousands of passengers, and is expected to cost airlines tens of millions of pounds.
Heathrow and National Grid have sparred over the airport’s response to…