The president’s announcement came after Iranian officials left Pakistan on Saturday and downplayed the prospect of direct talks with U.S. officials on a deal.

The blockade could derail a tenuous ceasefire after just five days. Vice President JD Vance said the U.S. remains open to diplomacy if Iran takes “our final and best offer.”

Vice President JD Vance was leading the highest level of face-to-face engagement between leaders of the United States and Iran in decades.