Russian oligarchs have kept their money in London for twenty years, encouraged by British bankers' lawyers and politicians. Critics say that the 'London laundromat' cleans dirty money from kleptocrats all over the world. This video looks at where dirty money comes from, how money laundering works and why it took Russia's invasion of Ukraine to put this issue in the spotlight.
From One Hyde Park to Bishops Avenue. Where is oligarch money kept in London?