Middle East live: Vance hails 'historic' moment as US-Iran talks get under way in Switzerland

Summary

US Vice President JD Vance said he hoped Washington and Tehran could reset their relationship at the start of what he called "historic" face-to-face talks in Switzerland on Sunday, adding the goal was to "turn over a new leaf to transform our relationship with the people of Iran". Iranian officials earlier warned that an agreement would not go ahead without an end to the Israel-Lebanon conflict. Follow our liveblog for the latest updates.