Summit Collective Security Treaty Organisation (CSTO)

Russian Defense Minister Sergei Shoigu, left, and Belarusian Defense Minister Viktor Khrenin exchange documents during a meeting after a session of the Council of Defense Ministers of the Collective Security Treaty Organization (CSTO) in Minsk, Belarus, Thursday, May 25, 2023. Belarusian President Alexander Lukashenko says the relocation of some tactical nuclear weapons from Russia to Belarus has already started, TASS news agency has reported. Photo by Russian Defense Ministry Press Service/ UPI