The Tehran Quadrilateral: Security Consultation or the First Brick of a Post-American Regional Order?
Pakistan, Iran, Türkiye and Saudi Arabia in Tehran — 26 October 2026 (By Khalid Masood) PART I — EXECUTIVE SUMMARY On 26 October 2026, Tehran hosted the first quadrilateral security meeting of Iran, Pakistan, Türkiye and Saudi Arabia, hosted by Major General Mohsen Rezaei, Secretary of Iran’s Supreme National Security Council, and attended by Saudi…










