The British government has imposed economic sanctions on four Russian businessmen, banning them from entering the U.K. and freezing any assets they hold in Britain. A British government statement refers to the four men -- Aleksandr Frolov, Aleksandr Abramov, Airat Shaimiev, and Albert Shigabutdinov -- as oligarchs and says they have allowed Russian President Vladimir Putin to mobilize Russian industry to support the war in Ukraine. “By pursuing these people, we are increasing the economic pressure on Putin and will continue to do so until Ukraine wins," said British Foreign Secretary James Cleverley. To read the original story from RFE/RL’s Russian Service, click here.