“We instructed our ambassador, he turned to the Ministry of Foreign Affairs of Greece, the Ministry of Defense of Greece,” RIA Novosti quotes him.

According to him, the Russian side reminded Athens of its obligations not to transfer the S-300 to other countries, to which, as the minister noted, "they said they remember this."

Earlier, the official representative of the Russian Foreign Ministry, Maria Zakharova, said that Russia had warned Greece about the consequences if the S-300 systems were transferred to Ukraine.