Watch: Documents falsified to evade tax on Abramovich's wealth

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

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

Deloitte, the world's biggest accountancy firm, helped in falsifying documents to hide Roman Abramovich's wealth and evade tax, a BBC investigation has found.

BBC Panorama and the Bureau for Investigative Journalism uncovered hundreds of documents that were falsified and backdated to conceal his wealth and evade tax.

Roman Abramovich denies any wrongdoing.