'Very old' transformer failed and started Heathrow substation fire, expert claims, as hundreds of thousands are left stranded... amid incredulity that small blaze caused global chaos ○
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a story from The Daily Mail 💩 › The Daily Mail
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Tom Watters, director of Sanguine Impact Investments, told MailOnline the crucial substation powering Heathrow contains 'very old' equipment and blamed a 'lack of investment'.