Kazakh President Kassym-Jomart Tokayev, Uzbek President Shavkat Mirziyoyev, Turkmen President Serdar Berdimuhamedov, Azerbaijani President Ilham Aliyev, Kyrgyz President Sadyr Japarov, Russian President Vladimir Putin, Armenian Prime Minister Nikol Pashinyan and Belarusian President Alexander Lukashenko attend an informal meeting of the Commonwealth of Independent States (CIS) Heads of State at the Kremlin in Moscow, Russia.