Leaders of the CSTO countries have signed 15 documents during a summit in Bishkek, Kyrgyzstan Presidential Administration press service told RIA Novosti.

"According to the results of the regular session of the CSTO, which took place today, November 28 under the chairmanship of the Kyrgyz Republic, 15 documents were signed," the statement reads.

According to the Kyrgyz Presidential Administration, the parties have agreed to enhance international cooperation and collaboration to strengthen global and regional security, specified the program of events to be held on the  75th anniversary of the victory in the Great Patriotic War, and coordinated the additional measures to reduce tension on the Tajik-Afghan border.

Armenian Prime Minister Nikol Pashinyan, Kyrgyz President Sooronbay Jeenbekov, Belarusian President Alexander Lukashenko, Kazakh President Kassym-Jomart Tokayev, Russian President Vladimir Putin, Tajik President Emomali Rahmon, and CSTO Acting Secretary General Valery Semerikov have participated in the CSTO Collective Security Council session in Bishkek.