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U.S. and Iran Begin Swiss Talks as Truce Shows Early Strain

The negotiations aim to turn a reconductible 60-day framework into a final nuclear and peace deal but breaches on the ground and competing claims over the Strait of Hormuz threaten its survival.

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Le site d'une frappe aérienne israélienne qui a détruit des maisons et des ateliers dans le village d'Al-Qlailah, dans le district de Tyr, dans le sud du Liban, le 19 juin 2026
Des véhicules militaires israéliens circulent sur une route israélienne près de la frontière Israël-Liban, dans le nord d’Israël, le 18 juin 2026.

Overview

  • The protocol was signed electronically by Presidents Massoud Pezeshkian and Donald Trump and launches a reconductible 60-day negotiation process focused on Iran's nuclear programme and a wider cessation of hostilities.
  • Planned face-to-face talks at Bürgenstock were postponed on Friday after the White House said Vice‑President J.D. Vance would not depart and Swiss officials described logistics as not finalised.
  • After the postponement, Iranian and U.S. delegations and mediators from Pakistan and Qatar converged in Switzerland and technical discussions were scheduled to begin on Sunday to implement the protocol.
  • The truce clause has been tested by continued Israeli strikes and Hezbollah exchanges in southern Lebanon, which caused dozens of deaths and prompted Iranian officials to warn the protocol was "in danger" if its provisions were not applied quickly.
  • The accord links reopening the Strait of Hormuz to compliance, and Tehran's announcement that it would re-close the waterway conflicted with U.S. CENTCOM reports of safe transits; the protocol also contemplates U.S.-facilitated release of about $300 billion for Iranian reconstruction if a final deal is reached.