San Francisco Frontiers - Rubio says US will not accept Iranian tolls on Hormuz

The US and Iran have signed a preliminary deal to halt the war, and concluded a first round of talks in Switzerland as part of a 60-day negotiation period to settle outstanding issues like sanctions relief and the fate of Tehran's nuclear programme.

An Iranian blockade that began early in the conflict choked off maritime traffic through the Hormuz strait -- sending global oil prices surging -- but crossings have begun to rise again since the US-Iran deal was inked.

Iran has repeatedly maintained it will retain control over the waterway, including on Tuesday, when it and Oman said in a joint statement that they would study the administration of the trade route and the costs to be charged for services provided, insisting on their sovereignty over the strait.

But US Secretary of State Marco Rubio, kicking off a regional tour, reiterated Washington's position that such an arrangement would be unacceptable.

"It's an international waterway. No country is allowed to charge tolls or fees on an international waterway," he said, adding that he believed "all the countries in this region would agree".

Tehran's top negotiator, Mohammad Bagher Ghalibaf, had earlier insisted the Strait of Hormuz "will never return" to the pre-war status quo, despite the foes agreeing to set up communication lines to keep it open.

The head of the UN's International Maritime Organization, meanwhile, said it would begin evacuating more than 11,000 sailors stranded by the Hormuz blockade in cooperation with Iran, Oman and the United States, adding it had "secured the necessary safety guarantees".

Traffic through the strait on Monday reached the highest level since the start of the war, according to two maritime tracking platforms, representing just over 40 percent of the normal peacetime level of about 120 vessels per day.

- Nuclear disagreements -

Diplomacy was in full swing on Tuesday, with Iran's president heading to mediator Pakistan, Rubio landing in the UAE for visits with Gulf allies, and Lebanon and Israel kicking off more direct talks in Washington.

But Iran denied a claim by US Vice President JD Vance that Tehran had agreed to invite International Atomic Energy Agency (IAEA) inspectors back, after Iran blocked them from nuclear sites struck by its arch foes in a 12-day war last year.

"We have not had a meeting with the director general of the IAEA, nor do we have any plans for the agency to inspect Iran's nuclear facilities damaged by the US and Zionist military aggression," foreign ministry spokesman Esmaeil Baqaei said.

US President Donald Trump, however, insisted Iran had "fully and completely agreed to highest level Nuclear inspections long into the future".

When the US joined Israel's previous war with Iran in mid-2025, it bombed nuclear facilities at Fordow, Natanz and Isfahan, including with powerful bunker-busting munitions.

The extent of the damage remains unknown despite Trump claiming they were "obliterated".

Iran's UN ambassador Ali Bahreini also told reporters "there hasn't been such a decision" to accept IAEA inspectors.

- Diplomatic whirlwind -

In addition to the UAE, Rubio plans to also visit Kuwait and Bahrain -- all attacked by Iran during the war -- to discuss the deal with Tehran and the Hormuz strait.

Comments by Rubio, an ardent Iran hawk, will be closely watched as he has largely remained out of the spotlight, with Vance taking a lead role in defending the deal.

Iranian President Masoud Pezeshkian, meanwhile, was visiting key mediator Pakistan on Tuesday with Foreign Minister Abbas Araghchi.

Araghchi and Ghalibaf also held talks in Oman with Sultan Haitham bin Tariq, who expressed hope for "a peaceful, definitive settlement", Omani state media said.

Mediators Pakistan and Qatar said both sides had agreed on a "roadmap" to reach a final agreement within the 60-day timeframe.

They agreed that four negotiating groups be set up on nuclear issues, sanctions and other matters, Iranian state media said.

- Lebanon war -

On the Lebanon front, a fifth round of negotiations between Lebanese and Israeli officials began in Washington on Tuesday in a bid to end the Israel-Hezbollah conflict there.

Fighting between Israel and Hezbollah, which drew Lebanon into the Middle East war on March 2, has repeatedly threatened to derail peace efforts. Hezbollah chief Naim Qassem again demanded a timetable for a full Israeli withdrawal from the country.

The goal of the Washington talks will be "to end the cycle of violence for good", a US State Department official told AFP.

Despite a reduction in hostilities in Lebanon, Israeli soldiers shot and killed two people in the south on Tuesday, state media reported. Israel said it had fired on Hezbollah operatives infiltrating its self-declared "security zone".

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I.Rodriguez--SFF