Russia has ordered 60 U-S diplomats to leave Russia next week, and is closing the U-S consulate in the country's second-largest city, St Petersburg.
The U-S had previously ordered a similar number of Russian diplomats to leave the U-S as a reaction to the Skripal incident.
Russian Foreign Minister Sergei Lavrov says countries are ganging up on Russia.
He says Russia wants to establish what it sees as the truth.
حمّل تطبيق أس بي أس الجديد للاستماع لبرامجكم المفضلة باللغة العربية.