Officials from Riyadh, Islamabad, Ankara and Tehran met in Iran. With the United States and Israel signalling possible attacks, and Iran promising it will respond, a meeting in Tehran is being viewed as the last chance to defuse tensions in the Gulf. Top officials from the Mecca pact nations – Saudi Arabia, Pakistan and Turkiye – have sat down with Iranian leaders in Tehran. Diplomacy has so far failed to secure a peace agreement between Iran and the US.