By: AP via Scripps News Group

U.S. President Donald Trump has again threatened Oman as Iran says it is working with the Gulf Arab country on a plan to manage shipping through the Strait of Hormuz. Fully reopening the waterway has been a key U.S. demand.

Trump told Fox News reporter Trey Yingst that the U.S. would bomb Oman if it “gets in the way,” using an expletive for emphasis.

Fox News did not provide audio of the interview.

This is not the first time that Trump has threatened Oman. In May, he told reporters during a Cabinet meeting that “Oman will behave just like everybody else, or we will have to blow them up.”

Iran said it and Oman were working to finalize details of an agreement ahead of a joint statement.

Iranian Foreign Ministry spokesperson Esmail Baghaei told reporters in Tehran, Iran's capital, that “an understanding has been reached regarding the map of the transit route.”

He did not elaborate, but details that have previously emerged suggest the deal would reopen the strait with ships entering through a route close to Iran and exiting through a route close to Oman. Ships would transit without paying fees or tolls during an interim period.

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The U.S. has sought an acceptable deal on opening the strait before ending its blockade of Iranian ports.

Iran effectively closed the strait — through which roughly one-fifth of the world’s traded oil supplies passed before the war — after Israel and the U.S. attacked the country on Feb. 28.

Trump also said the expiration of the 60-day deadline on talks to end the war was irrelevant and said there was no timeline, Yingst said. Trump said the U.S. has a back channel for talks with the Islamic Revolutionary Guard Corps, Yingst added.

U.N. Secretary-General António Guterres wants Iran and the U.S. to resume peace negotiations, saying there is no military solution to the conflict, according to U.N. spokesperson Stéphane Dujarric.

Dujarric said the U.N. chief also thinks the countries need to “lower the rhetoric that we’ve been hearing in recent days.”