The White House did not respond immediately to news of Russia's decision to expel 60 US diplomats on Thursday, in a tit-for-tat which has seen relations between the two countries paralyzed.
Russia says it will close the American consulate in St Petersburg in a move that mirrors Washington's decision to shut down the Russian consulate in Seattle, because of its proximity to a submarine base.
President Trump addressed supporters at a rally in Ohio as news of the expulsions broke, but focused instead on domestic issues- despite the deepening diplomatic crisis with Moscow.
Nina-Maria Potts has more from Washington:
IN: "The Kremlin.."
OUT: "... British soil."
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