(Reuters) -Russia’s foreign ministry said on Saturday it had barred entry to the country for British Prime Minister Boris Johnson, Foreign Secretary Liz Truss, Defence Secretary Ben Wallace and 10 other British government members and politicians. The move was taken “in view of the unprecedented hostile action by the British Government, in particular the imposition of sanctions against senior Russian officials,” the ministry said in a statement, adding that it would expand the list soon. The Kremlin has described Johnson, who has been one of Ukraine’s staunchest backers, as “the most active par…