Russia will give a mirror response to the expulsion of Russian diplomats from Greece, the Russian Foreign Ministry said in a statement.
"A mirror response will follow as per established practice for such cases," Sputnik cited the ministry as saying.
Athens has taken measures against Russian diplomats over "illegal activities" and "meddling" that undermine "national security," according to Kathimerini newspaper, which cited diplomatic sources.
Two Russian diplomats were expelled from Greece and another two were banned from entering the country. Athens has accused diplomats of "attempts to collect and disseminate information, as well as bribing government officials.
