U.S. and Iran Conclude Islamabad Talks Without Agreement Amid Strait of Hormuz Tensions

The United States and Iran concluded 21 hours of ceasefire negotiations in Islamabad without reaching an agreement, raising concerns over the continuation of the fragile two-week ceasefire set to expire on April 22. U.S. officials accused Iran of refusing to abandon its pursuit of nuclear weapons, while Iranian officials blamed U.S. overreach, without detailing the sticking points. Both sides maintained firm positions, illustrating a lack of progress during the talks. Vice President JD Vance insisted Iran must clearly renounce nuclear ambitions, while Iran’s parliament speaker, Mohammad Bagher Qalibaf, stated the U.S. must prove it is trustworthy.

The war, initiated by the U.S. and Israel on February 28, has had devastating effects across the Middle East, with thousands killed and significant infrastructure damage. Iran’s control of the Strait of Hormuz has severely impacted global energy flows, exacerbating the crisis. The U.S. and Iran entered talks with differing proposals—Tehran demanded an end to the war and control over the Strait, while Washington sought nuclear rollback and maritime reopening.

Meanwhile, Israeli strikes in Lebanon continue despite the ceasefire, with talks between Israel and Lebanon scheduled in Washington. Pakistan has offered to mediate further dialogue in hopes of preserving peace.

In a related development, several U.S. Navy warships, including the USS Frank E. Peterson and USS Michael Murphy, crossed the Strait of Hormuz on Saturday for the first time since the onset of the war with Iran. The vessels entered the Gulf from the east before returning to the Arabian Sea, marking a significant military movement uncoordinated with Iran. This transit follows the recent U.S.-Iran ceasefire agreement, in which reopening the strait was a key element. U.S. Central Command issued a statement confirming the operation, emphasizing its strategic importance. President Trump commented on Truth Social, downplaying Iran's deterrence capability by suggesting that sea mines were their only means of intimidation. The crossing represents a critical development in U.S. naval operations in the region post-conflict.