Middle East live: US Vice President Vance arrives in Switzerland for Iran peace talks

US Vice President JD Vance landed Sunday in Switzerland for a new round of negotiations with Iranian leadership over the Middle East war, even as Tehran said it was closing the Strait of Hormuz again after Israeli attacks in Lebanon. The framework was signed last week, and negotiators are now in a 60-day sprint to reach an agreement on the technical details. Follow our liveblog for the latest updates.