The Collective Security Treaty Organization (CSTO) consists of Armenia, Belarus, Kazakhstan, Kyrgyzstan, Russia, and Tajikistan, which were all part of the Soviet Union. The organization is a military alliance, which involves the now-sovereign post-Soviet states.
Sputnik is live as Russian Foreign Minister Sergey Lavrov holds a press conference after a meeting of the Collective Security Treaty Organization (CSTO) Council of Foreign Ministers in Moscow.