Watch: How did Roman Abramovich's advisors help hide his wealth? Working with the Bureau of Investigative Journalism, BBC Panorama reveals how the Russian billionaire hid his wealth with the help of Deloitte.

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BBC News (wire)

Watch: How did Roman Abramovich's advisors help hide his wealth?

Working with the Bureau of Investigative Journalism, BBC Panorama reveals how the Russian billionaire hid his wealth with the help of Deloitte.