Tehran, Iran - A senior Iranian official on Thursday said the Strait of Hormuz remains under the Islamic republic's control, contradicting claims made by President Donald Trump.

"Today, you see that the Strait of Hormuz is under the management and control of the Islamic republic," said Hossein Taeb, head of the paramilitary Basij forces affiliated with Iran's Revolutionary Guards.

"Our country continues on its path in complete security," he said, according to Iranian state television.

The comments came a day after Trump said the US maintains complete control of Hormuz, a narrows waterway through about 20% of the world's oil supply flowed prior to the war with Iran.

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"The U.S.A. has total control over the Strait of Hormuz. I THINK WE WILL KEEP IT!" Trump wrote on his Truth Social platform on Wednesday.

"Our Naval Blockade is being called, by everyone, 'A WALL OF STEEL,' and there is nothing Iran can do about it," he added.

"They have no Navy, they have no Air Force, their remaining soldiers are unpaid, the IRGC is decimated and fleeing, and their 'Leadership' is uncertain, at best!"

The US has repeatedly claimed it controls the strait, despite Iran consistently rejecting such statements and launching attacks across the region.

Iran's top diplomat Abbas Araghchi on Thursday said the US continues to make miscalculations in regard to the waterway.

"The US has long miscalculated due to intelligence failures," he said on X. "Case in point: The war on Iran. Now, an even bigger miscalculation on the Strait of Hormuz."

On Thursday, Iranian parliamentarian and member of the National Security Commission Behnam Saeedi confirmed the strait is closed to US and Israeli ships.

"Ships belonging to the Zionist regime will not have the right to pass through the Strait of Hormuz under any circumstances, whether in war or peacetime," he said. "US military ships will also be barred from passing through the Strait."