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U.S.-Iran Crisis: Negotiators Pivot Toward Limited Deal as Hardliner Resistance Grows

Secretary of State Marco Rubio acknowledges 'some progress' in talks as Pakistan intensifies mediation efforts amid internal Iranian friction.

May 23, 2026 at 5:00 AM

Tensions between the United States and Iran have entered a critical diplomatic phase as negotiators pivot toward a narrow 'limited agreement' rather than a comprehensive settlement. Secretary of State Marco Rubio confirmed on Thursday that while 'some progress' has been made via Pakistani mediators, the Trump administration is not yet satisfied with Iranian concessions regarding uranium enrichment, nuclear weapon access, and the governance of the Strait of Hormuz. Internal political friction is intensifying in Tehran, where hardliners are reportedly pushing back against the proposed stabilization framework. The economic impact of the standoff is becoming more pronounced, with global oil prices rising as traders price in the risk of supply disruptions. President Trump has reiterated that the U.S. will not tolerate Iranian attempts to impose tolls on shipping in the Strait of Hormuz, maintaining that the waterway must remain an international free-passage zone. A French-led proposal for a UN Security Council resolution to establish an international mission in the strait remains a key part of the multilateral response. On the ground, no new kinetic military strikes were reported in the last 24 hours, though U.S. officials continue to emphasize that military options remain 'on the table' if diplomatic channels fail. High-level mediation continues with the arrival of Pakistan’s military chief, Asim Munir, in Tehran to discuss the latest proposals. The focus of the conflict has increasingly shifted toward maritime governance and specific technical constraints on Iran’s nuclear capabilities.

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