Travel chaos as London's Heathrow remains closed. Here's what airlines are telling passengers

A fire at an electrical substation led to the closure of London’s Heathrow Airport, causing significant travel disruptions globally. The airport will be closed until 11:59 p.m on Friday, affecting hundreds of flights. Airlines have been informing passengers of the situation, with 679 flights scheduled to land and 678 flights scheduled to depart from Heathrow on Friday.

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