U.S. President Donald Trump meets Russia's President Vladimir Putin at the G20 summit in Hamburg, Germany July 7, 2017 (Carlos Barria)

He said Moscow is closely monitoring all the signals regarding how the US will behave in the matter of organizing the diplomatic activities in the US. He said Russia still hoped the situation would not reach a more aggravated level. The Izvestia newspaper earlier cited a diplomatic source saying that Washington was considering tougher restrictions on travel for Russian diplomatic personnel within the country, as retaliation to the recent decision to cut the US diplomatic presence in Russia.