Russian lawmaker calls for looking at granting CSTO membership to Iran - CSTO countries must oppose destructive narratives -- Putin - It is necessary to ensure technological leadership of CSTO in defense sphere -- Putin - CSTO to be pillar of new Eurasian security system, Russian envoy says - PREVIEW: Duma speaker to chair CSTO Parliamentary Assembly meeting in Moscow - CSTO secretary general calls current situation in Afghanistan encouraging - CSTO chief highlights efficiency of Russian military industrial complex - CSTO to hold drills in Belarus, Kazakhstan, Tajikistan, Kyrgyzstan in 2025 -- bloc's chief - CSTO remains crucial security guarantor for member states, Kazakhstan president says - CSTO leaders sign 14 documents at summit in Astana -- Kremlin