Last-minute ceasefire talks between the United States and Iran looked uncertain Tuesday as a two-week truce was set to expire and both countries warned that, without a deal, they were prepared to resume fighting.

Prospects for a renewed round of U.S.–Iran peace talks dimmed on Tuesday as the two‑week cease-fire approached its end, with Tehran denouncing American threats and President Donald Trump signaling he does not want the truce extended without a broader agreement.

Mediators are urging Iran to attend negotiations in Pakistan as US Vice President JD Vance remains in Washington, DC, to discuss a path forward. Follow for live news updates.

The impact is being felt by manufacturers, retailers and the digital sector, amid warnings it could get worse if the war resumes.

Tension is building over whether the U.S. and Iran will hold a second round of peace talks in Pakistan. Bradley Blackburn reports.

President Donald Trump says the U.S. seized an Iranian-flagged cargo ship that tried to get around its naval blockade near the Strait of Hormuz

James Reynolds. (Photo: US President Donald Trump reacts during the signing of an executive order on aimed at expanding federal research into psychedelic drugs to treat veterans suffering from PTSD and traumatic brain injuries,

The Iran war could soon resume if the ceasefire ends before talks in Pakistan resume. CBS News' Nancy Cordes reports, and Lyse Doucet of BBC News, a CBS News partner, has more from the Middle East.