The first round of talks between high-ranking US and Iranian officials in Switzerland ended Monday, mediators said, after a tense opening marked by Tehran's announcement it had again closed the Strait of Hormuz and US President Donald Trump repeating his threats to resume attacks on Iran.

US and Iranian officials are still expected to meet in Switzerland on Sunday, but Saturday's events point towards a likely major shift in the agenda for the first round of talks.

U.S. and Iran engage in crucial talks in Switzerland amid escalating tensions and Iran's closure of the Strait of Hormuz.

By Humeyra Pamuk, Jana Choukeir, Ahmed Tolba and Steve HollandZURICH/DUBAI/WASHINGTON, June 21 (Reuters) - Negotiators from the United States and Iran were set to start peace…

Negotiators from the United States and Iran were set to start peace talks in Switzerland on Sunday.

US and Iranian delegations arrived in Switzerland as of Sunday for technical negotiations under the memorandum of understanding signed on Wednesday to end the months-long Middle…

(Bloomberg) -- The US and Iran are set to begin talks on a permanent peace deal that seek to settle the issue of the Islamic Republic’s nuclear program and permanently reopen the…

American and Iranian delegations have arrived in Switzerland for technical negotiations under the Islamabad Memorandum, with Pakistan mediating talks aimed at preserving the…

(Bloomberg) -- The US and Iran have begun talks on a permanent peace deal that seek to settle the issue of the Islamic Republic’s nuclear program and permanently reopen the Strait…

Qatar is serving as a mediator alongside Pakistan

The first day of talks between the United States and Iran have ended in Switzerland - with Pakistan's prime minister acting as mediator.

High-level peace talks between the US and Iran have commenced in Switzerland, led by Vice President JD Vance and Parliament Speaker Mohammad Bagher Ghalibaf. Mediated by Qatar and…

(Bloomberg) -- The US and Iran began talks in Switzerland on a peace deal to settle the issue of the Islamic Republic’s nuclear program and permanently reopen the Strait of Hormuz…

Trump threatens to hit Iran 'very hard' amid talks, prompting Ghalibaf to warn the US to take care with its rhetoric.

BUERGENSTOCK, Switzerland/DUBAI, June 22 (Reuters) - The first round of talks between high-ranking U.S. and Iranian officials in Switzerland ended...

U.S. and Iran conclude tense talks in Switzerland, agreeing on a roadmap for peace and cooperation within 60 days.

A joint statement from mediating nations Qatar and Pakistan says the US and Iran agreed to a roadmap toward a final deal within 60 days

Iran and the United States wrapped up the first round of talks to end the Middle East war at the Burgenstock resort in Switzerland on Monday, with technical talks to…

Iran and the U.S. discuss peace progress, roadmap agreement, and conflict resolution in Lebanon during first round of talks.

Recent discussions between Iran and the US in Switzerland mark a promising step towards resolving the Middle East conflict, facilitated by Pakistan and Qatar. The two countries…

Qatari and Pakistani mediators said Sunday night the first round of high-level talks between the United States and Iran had concluded in Switzerland.