![Vladimir Potanin, billionaire and owner of OAO GMK Norilsk Nickel, gestures as he speaks during an interview in London, U.K., on Monday, Nov. 20, 2017. Potanin is within a hair’s breadth of regaining his ranking as Russia’s richest tycoon this year. Photographer: Jason Alden/Bloomberg](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/6T7PEFE3NNQM6XXKJ4QKXGQW7E.jpg?smart=true&auth=28fcbcdce2a4cfb014d2976c7852aa365e2bc5b2106b7cb63e9a53004949e98c&width=400&height=225)
Russian billionaire Vladimir Potanin. Bloomberg
Russian billionaire Vladimir Potanin. Bloomberg
Russian billionaire wants UK Supreme Court to halt former wife’s case
Russian Natalia Potanina is looking to make a £5bn claim against her former husband in London