Additional duties have been imposed by the UK government on a number of commodities originating in Russia and Belarus. The new duties will take effect on 25 March.
Russian and Belarusian items that have already left the country before the new tariffs take effect on 25 March are exempt. Before 25 March, the products must have fulfilled Russian or Belarusian export requirements and exited those countries. The respective additional duties for Russia can be found here and the additional duties for Belarus can be found here.
Furthermore, the UK government indicated that it also proposes to impose further duties on Russian and Belarussian seafood imports. This action will be implemented in due course, pending more research into the sector specific impacts.