On 3-5 June, the Republic of Belarus hosted the second staff talks on the organization and conduct of the joint trainings with the CSTO Collective Rapid Reaction Forces (CRRF) “Interaction-2025”, special trainings with intelligence forces and means “Search-2025” and logistics “Echelon-2025” conducted as part of the joint operational-strategic training “Combat Brotherhood-2025”.
The CSTO Secretary General I.N. Tasmagambetov met with Ambassador Extraordinary and Plenipotentiary of the People's Republic of China to the Russian Federation Zhang Hanhui
On 27-30 May, in the city of St. Petersburg, on the basis of the Mikhailovsky Military Artillery Academy, a training and methodological meeting was held with the heads of the CSTO basic training and research organizations to coordinate joint training of military personnel and scientific work.
On 28 May 2025 in Bishkek, Chairman of the CSTO Collective Security Council, President of the Kyrgyz Republic Sadyr Japarov received the participants of the meeting of the Council of Defense Ministers of the Organization, held with the participation of CSTO Secretary General Imangali Tasmagambetov and Chief of the CSTO Joint Staff Colonel General Andrei Serdyukov.
On May 28, 2025, a regular meeting of the CSTO Council of Defense Ministers was held in Bishkek under the chairmanship of the Kyrgyz side. The event was attended by Secretary General Imangali Tasmagambetov and Colonel General Andrei Serdyukov, Chief of the Organization's Joint Staff.
An extraordinary session of the CSTO Collective Security Council was held

On October 28, 2022, an extraordinary session of the CSTO Collective Security Council was held via videoconferencing, preceded by consultations of the foreign ministers of the Organization's member states.
The Prime Minister of the Republic of Armenia Nikol Pashinyan, the President of the Republic of Belarus Alexander Lukashenko, the President of the Republic of Kazakhstan Kassym-Jomart Tokayev, the President of the Kyrgyz Republic Sadyr Japarov, the President of the Russian Federation Vladimir Putin, the President of the Republic of Tajikistan Emomali Rahmon and the CSTO Secretary General Stanislav Zas took part in the session.
ВDuring the session the information of the CSTO Secretary General Stanislav Zas on the work of the Organization’s Mission, sent to the Republic of Armenia on September 15, 2022 by the decision of the CSTO Collective Security Council in connection with the deteriorating situation on the Armenian-Azerbaijani border, where at night on September 13, 2022 there were clashes with the use of heavy weapons and strike drones, which resulted in numerous casualties, was heard.
The members of the Collective Security Council, reaffirming the Organization's commitment to strengthening peace, international and regional security and stability, the collective defense of the independence and territorial integrity and sovereignty of the CSTO member states, discussed the current situation in the region and joint measures to assist the Republic of Armenia.
There was a firm conviction that the existing contradictions and contentious issues had to be resolved by political and diplomatic means, including in line with the agreements set out in the trilateral statements adopted on 9 November 2020, 11 January 2021 and 26 November 2021 by the Prime Minister of the Republic of Armenia, the President of Russia and the President of Azerbaijan.
At the end of the session, members of the CSTO Collective Security Council made a number of proposals to finalize drafts of relevant decisions.