Russia's new ambassador to the United States said that President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE was "warm and friendly" in greeting him during a Friday meeting and expressed hope for improved relations between the two countries amid growing tensions.

"The atmosphere was good, constructive and friendly," Anatoly Antonov said, according to the Russia's Tass news agency. "President Trump met me cordially. We agree with his staff members to continue our contacts."

“President Trump received me in a warm and friendly way. ... The atmosphere was very genial, constructive and welcoming. At least, that was my personal feeling,” he said, as reported by Reuters.

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“We, together with his colleagues, his staff, agreed to continue our cooperation," he said.

He said that Russia was ready to take "concrete steps" toward mutual cooperation with the U.S.

The relationship between Russia and the U.S. has grown increasingly frosty in recent months amid investigations in the U.S. centering on Moscow's efforts to interfere in the 2016 presidential election.

The House and Senate voted overwhelmingly in July to impose new sanctions on Russia in retaliation for the election meddling. Trump unenthusiastically signed the penalties into law early last month.

In response, the Kremlin ordered the U.S. to cut the size of its diplomatic staff in Russia by 755 employees. Weeks later, the U.S. ordered Russia to close its consulate in San Francisco, as well as two diplomatic annexes in Washington and New York — a move that the Trump administration said was made to return to diplomatic parity between the two countries.

Russian President Vladimir Putin Vladimir Vladimirovich PutinPutin is about to turn his attention to the American way of life Putin critic Navalny posts photo of himself walking: 'Long' path to recovery FBI chief says Russia is trying to interfere in election to undermine Biden MORE responded to those closures this week by warning the U.S. that the Kremlin may order that it cut its diplomatic staff in Russia by another 155 employees.

"We reserve the right to further reduce the number of US diplomats in Moscow," he told reporters Tuesday.