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Iran Imposes Maritime Controls; U.S. Disputes Claims of Diplomatic Progress

Tehran implements a new shipping regime in the Strait of Hormuz as U.S. officials dismiss claims of a sanctions-relief breakthrough.

May 18, 2026 at 7:30 PM

Tensions between the United States and Iran have intensified over the last 24 hours as Tehran began enforcing a new shipping regime in the Strait of Hormuz. The IRGC is reportedly requiring commercial vessels to obtain email permits for passage, a move that analysts suggest serves as an operational tool to pressure the U.S. and its partners without a formal blockade. Simultaneously, oil markets have reacted to unconfirmed reports that Washington agreed to waive certain sanctions and unfreeze a portion of Iranian funds in exchange for nuclear limits, though U.S. officials have flatly denied these claims. On the diplomatic front, Pakistan has solidified its role as a key intermediary. Iranian Foreign Ministry spokesman Esmaeil Baghaei confirmed that a revised set of terms was passed to U.S. representatives through Pakistani mediators. Despite this back-channel activity, high-level rhetoric remains hostile; Iranian Foreign Minister Abbas Araghchi stated that Iran cannot trust the Americans, while President Trump warned that "the Clock is Ticking" regarding potential military action. The White House continues to signal internal debate over the next phase of the pressure campaign. President Trump is expected to convene a meeting in the Situation Room to evaluate military alternatives as officials suggest that negotiations may shift to "military means" if diplomatic progress remains stalled. For now, the conflict has evolved into a financial and maritime contest, with the global economy sensitive to any shifts in Gulf security or sanctions policy.

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