"A Russian billionaire whose business partner is a close ally of Vladimir Putin, the former chairman of a defunct Nigerian bank and a Kyrgyz vodka tycoon appear to be among more than 130 foreign buyers in Britain’s tallest residential skyscraper.

Almost two-thirds of homes in the Tower, a 50-storey apartment complex in London, are in foreign ownership, with a quarter held through secretive offshore companies based in tax havens, a Guardian investigation has revealed."

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