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Iran Threatens Strait of Hormuz Closure Over U.S. Naval Blockade

Tehran warns of maritime closures as the U.S. Navy enforces a blockade on Iranian shipping amid stalled peace talks.

April 18, 2026 at 10:00 AM

Tensions between the United States and Iran have intensified as Tehran warned it will not keep the Strait of Hormuz open if the U.S. persists with its current naval blockade. U.S. Central Command reported that guided-missile destroyers have already forced 21 ships to turn around in the Arabian Sea since enforcement began this week. Despite the military pressure, President Trump expressed optimism regarding a potential deal, describing negotiations as having "no sticking points at all left," though he simultaneously threatened to let the current ceasefire expire on Wednesday. The diplomatic standoff follows a marathon 21-hour negotiation session in Islamabad last weekend led by Vice President JD Vance. While Pakistani mediators are pushing for a finalized peace agreement, the regional situation is complicated by proxy conflicts. President Trump stated that Israel is currently "prohibited" by the U.S. from further strikes, though Israeli Prime Minister Benjamin Netanyahu has maintained that the campaign to dismantle Hezbollah is not yet complete. As the Wednesday ceasefire deadline approaches, the international community is monitoring the Strait of Hormuz for potential energy market disruptions. President Trump has reaffirmed his willingness to travel to Pakistan to sign a formal deal but maintains that the blockade will remain the status quo until a permanent agreement is reached.

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