Less than a week after the U.S. and Iran signed their "memorandum of understanding" aimed at ending the conflict, tensions have flared once again.

Trump and Vance fought back criticisms the U.S. gave "too much" to Iran in the 14-point MOU, while traders are pricing in expectations of potential rate hikes

Negotiators call off plans to meet in Switzerland to try to progress the U.S.-Iran deal as Trump and Vance defend the agreement.

U.S. and Iranian negotiators have arrived in Switzerland for what could be the most critical round of talks yet, with the Strait of Hormuz dominating discussions as both sides…

Mediators Pakistan and Qatar also join in

US Vice President JD Vance leads talks with Iran at Switzerland's Bürgenstock resort, with Qatar and Pakistan mediating on nuclear, oil, and Lebanon issues.

Iran is cautiously approaching the negotiations given its previous experience with the U.S. negotiations on the nuclear issue.

With scant sign of an end to fighting there, Iran said it had again shut the Strait of Hormuz, though the U.S. has denied that claim.

Meetings of U.S., Iranian, Qatari and Pakistani representatives commenced Sunday in Bürgenstock, Switzerland, in efforts to reach a deal.

OBBUERGEN, Switzerland — High-level U.S.-Iran talks on their interim deal to end the war had a tense start Sunday in Switzerland as Tehran took off...

Less than a week after the U.S. and Iran signed their "memorandum of understanding" aimed at ending the conflict, tensions have flared once again.