On June 30 – July 1, 2026, Saint Petersburg hosted a series of events chaired by Alexander Kurenkov, Minister of the Russian Federation for Civil Defence, Emergencies and Elimination of Consequences of Natural Disasters, with the participation of heads of the competent authorities of the CSTO member states responsible for emergency prevention and response.

From June 24 to 26, 2026, CSTO Secretary General Talatbek Masadykov paid a working visit to the Republic of Tajikistan at the personal invitation of President Emomali Rahmon.

From June 24 to 26, second staff talks were held in the Republic of Kazakhstan on the organization and conduct of the joint exercise “Rubezh-2026” with units of the Central Asian Collective Rapid Deployment Forces (CAR CRDF).

On June 23, 2026, a ceremonial event was held at the Advanced Training Institute of the Ministry of Internal Affairs of the Russian Federation to mark the 20th anniversary of the CSTO Collective Security Council's decision granting the Institute the status of the Basic Educational Institution for Continuing Professional Education of law enforcement and special service personnel of the CSTO member states in the fields of counterterrorism, combating extremism, illicit drug trafficking, illegal migration, and other forms of transnational organized crime, as well as for the training of specialists for peacekeeping missions and teaching staff of educational institutions.