The Russian Foreign Ministry on Friday announced sanctions on 23 more British citizens in a retaliatory move.
In a statement on its website, the ministry said officers of the British armed forces involved in the training of Ukrainian military against the Russian army, including commanders of formations that provided instructors for this purpose, have been put on Russia's stop list.
Top officials of the Zinc Network Corporation were also put on the list of British citizens who are now barred from entering Russia, it said.
"In addition, restrictions have been imposed on a number of judges and officials of the UK penitentiary system involved in the harassment of independent journalists.
"In particular, representatives of the management of the maximum security prison Bermarsh in London, which is known for repeated cases of human rights violations were included in the 'stop list'," the ministry said.