Oligarch claims Russian president Medvedev’s aide is ‘privatising’ politics in dispute over parliamentary candidates Billionaire Russian metals tycoon Mikhail Prokhorov promised on Thursday to exact revenge on a top Kremlin official after the businessman was ousted as leader of his own political party. Prokhorov, 46, Russia’s third richest man with an estimated fortune of £11.4bn, accused President Dmitry Medvedev’s deputy chief of staff, Vladislav Surkov, of “privatising the political system” and orchestrating his downfall. In the closest that Moscow has seen to real political drama for several months, it appeared that members of Russia’s governing elite had organised the tycoon’s exit in order to punish him for refusing to toe the line after he agreed to head the minority Right Cause party in May. “I will do everything I can so that Surkov the puppeteer leaves his post,” Prokhorov said. Surkov is seen as the Kremlin’s chief