Heathrow Airport closes Friday after fire knocks out power to part of London

London’s Heathrow Airport remains closed after a power shutdown caused by a fire at an electrical substation, leading to the diversion of over 100 flights and affecting hundreds of thousands of passengers. The Metropolitan police are investigating, with the counter terrorism command involved, while airlines are reconfiguring flight networks to avoid further cancellations. The airport is expected to remain closed until at least midnight local time, with authorities warning passengers not to travel to the airport until it reopens.

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