On Monday, Russia said it was blacklisting 39 British citizens, including former Prime Minister David Cameron and Labour Party leader Keir Starmer.

London has been one of Kiev's most vocal supporters since Russian President Vladimir Putin sent troops to Ukraine on February 24.      

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The Russian Foreign Ministry said the citizens and journalists included in the list, "contribute to the hostile course of London aimed at the demonisation of our country and its international isolation," adding, "The choice in favour of confrontation is the conscious decision of the British political establishment, which bears all responsibility for the consequences."      

Several dozen British citizens have been banned from entering Russia since the start of the war in Ukraine, and the new additions include several Labour MPs, members of the House of Lords, and Scottish politicians.

Among the individuals working in the media are Jonathan Munro, the head of the BBC's newsgathering, TV presenter Piers Morgan, and Huw Edwards, BBC News presenter.

Read: UN condemns UK for censoring Russian media

The General Prosecutor's Office also designated on Monday the UK not-for-profit Calvert 22 Foundation an "undesirable" organisation; the group was established in 2009 by a Russia-born economist, Nonna Materkova.

The "undesirable organisation" label, reserved for foreign groups, allows Russian authorities to ban their work in the country and holds the risk of prison time or fines for Russians working with the organisations.