The move comes as a mirror measure, Lavrov says.
Sergei Lavrov, the Russian foreign minister, says Russia will close down the U.S. consulate in St Petersburg.
The move is a retaliation to the expulsion of Russian diplomats across the world following the poisoning of the Skripals, according to Sky News.
Mr Lavrov said that the US ambassador had been informed of "retaliatory measures".
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Russia will expel 60 U.S. diplomats, the same amount as the number of their diplomats ejected from Washington earlier.
The Russian consulate general in Seattle has been shut down.