The Metropolitan Police says it is no longer treating a fire, that led to the closure of Heathrow Airport last week, as a potentially criminal matter.
Fire crews were called to reports of a transformer alight at North Hyde substation in Hayes, west London, at 11.23pm on Thursday, the London Fire Brigade (LFB) said.
The blaze, which supplies electricity to Heathrow about 1.5 miles away, was caused by a power outage and Europe’s biggest airport said it had “no choice but to close”.
It was shut for most of last Friday, with the 16-hour closure resulting in more than 1,000 flights to and from Heathrow being cancelled and hundreds of thousands of passengers affected.
A statement by the Metropolitan Police on Tuesday said: “Following enquiries to date, officers have found no evidence to suggest that the incident was suspicious in nature.
“As such, we are no longer treating this as a potentially criminal matter, although we continue to support other partners, including colleagues from National Grid, London Fire Brigade and SSEN, with whom we remain in close contact.”
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