U.S. President Donald Trump escalated tensions on the first day of negotiations with Iran, issuing direct threats to the Iranian delegation. During talks in Switzerland aimed at reaching an understanding, Trump asserted the possibility of the U.S. taking control of the Strait of Hormuz. He also used social media to demand Iran curtail support for Hezbollah. Trump warned the Iranian delegation, led by President Mohammad Javad Zarif, that they would not be permitted to return home if the Strait of Hormuz is not reopened. The statements represent a significant hardening of the U.S. position as diplomatic efforts begin. This aggressive rhetoric casts a shadow over the prospects for a swift resolution to ongoing disputes. The situation raises concerns about potential escalation in the region.