Russia promises tough response to US diplomatic retaliation

US orders Moscow to close its consulate in San Francisco and buildings in Washington and New York

 The Russian government said on Friday it would respond harshly to any measure of the United States designed to undermine it after the United States ordered Moscow to close its consulate in San Francisco and buildings in Washington and New York.

Russian Foreign Minister Sergei Lavrov was warned and Russia said it was studying a reaction to the US measure that would require it to close two US trade missions and the consulate until September 2.