US and Iran end 21-hour ceasefire talks without agreement before Vance departs Pakistan

The United States and Iran ended a historic round of face-to-face talks early Sunday without reaching an agreement and the fate of the fragile, two-week ceasefire still unclear. Vice President JD Vance, who led the US delegation during the 21 hours of talks in Pakistan's capital Islamabad, said negotiations finished without a deal after the Iranians refused to accept American terms to refrain from developing a nuclear weapon. France24 correspondent Fraser Jackson shares his analysis from Washington.