U.S. President Donald Trump will sign legislation that imposes sanctions on Russia, the White House said on Friday, after Moscow ordered the United States to cut hundreds of diplomatic staff in retaliation for the measures and said it was seizing two U.S. diplomatic properties, Reuters reports.

Moscow's decision, which had echoes of the Cold War, was announced by the Foreign Ministry on Friday, a day after the U.S. Senate overwhelmingly approved new sanctions on Russia.

The legislation was in part a response to conclusions by U.S. intelligence agencies that Russia meddled in the 2016 U.S. presidential election, and to further punish Russia for its annexation of Crimea in 2014.

Late on Friday, the White House issued a statement saying Trump would sign the bill after reviewing the final version. The statement made no reference to Russia's retaliatory measures.

Russia had been threatening retaliation for weeks. Its response suggests it has set aside initial hopes of better ties with Washington under Trump, something the U.S. leader, before he was elected, had said he wanted to achieve.

Relations were already languishing at a post-Cold War low because of the allegations that Russian cyber interference in the election was intended to boost Trump's chances, something Moscow flatly denies. Trump has denied any collusion between his campaign and Russian officials.

The Russian Foreign Ministry complained of growing anti-Russian feeling in the United States, accusing "well-known circles" of seeking "open confrontation".

President Vladimir Putin had warned on Thursday that Russia would have to retaliate against what he called boorish U.S. behavior. Putin's spokesman, Dmitry Peskov, told reporters on Friday that the Senate vote was the last straw.

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