The White House said Thursday night that Vice President JD Vance was delaying a trip to Switzerland, where he'd been set to lead a new round of negotiations with Iran over its nuclear program

Iran on Saturday dealt a setback to its interim agreement with the U.S., as the nation announced it had again closed the Strait of Hormuz.

Key mediator Pakistan says technical-level talks between Iran and the United States on their interim deal will begin on Sunday in Bürgenstock, Switzerland, with Qatari mediators also participating.

The White House says Vice President JD Vance isn’t leaving Thursday for Switzerland to lead a new round of talks with Iran about its nuclear program, citing difficult logistics for negotiations meant to add details to an agreement signed by President Donald Trump a day ago.

Israeli leaders need to “wake up and smell the reality” that they are isolated internationally, Vice President JD Vance said Thursday, responding to Israeli criticism of the deal the Trump administration struck with Iran this week,

It comes after the US and Iran signed a deal aimed at ending the conflict earlier this week.

Before the ink even dries on the United States-Iran memorandum of understanding, a dispute is emerging that could unravel negotiations to restore peace in the Strait of Hormuz. Shipping has been at a near-standstill in the strait,

Steve Witkoff is traveling to Switzerland, a US official said, as Washington and Tehran work to get technical talks back on track after a postponement. Follow for live updates.