Iran's Muslim unity call after Saudi‑Turkey‑Pakistan Mecca pact; Tehran to join 'Islamic NATO' next?

Iran has called for greater Muslim unity as a new security partnership involving Saudi Arabia, Turkey, and Pakistan raises questions about the future of regional alliances. The Mecca agreement has fueled speculation over whether Tehran could eventually seek closer cooperation with the emerging security framework, despite deep political differences with some of its participants. The developments come amid heightened tensions across the Middle East and growing debates over collective defense and regional security.