Iran has begun laying mines in the Strait of Hormuz, the world’s most important energy chokepoint that carries about one-fifth of all crude oil, according to two people familiar with US intelligence reporting on the issue.

The mining is not extensive yet, with a few dozen having been laid in recent days, the sources said. But Iran still retains upward of 80% to 90% of its small boats and mine layers, one of the sources said, so its forces could feasibly lay hundreds of mines in the waterway.

Iran’s Islamic Revolutionary Guard Corps, which now effectively controls the strait along with Iran’s traditional navy, has the capability to deploy a “gauntlet” of dispersed mine-laying craft, explosive-laden boats and shore-based missile batteries, CNN has reported.

President Donald Trump said in a post on Truth Social on Tuesday that “if Iran has put out any mines in the Hormuz Strait, and we have no reports of them doing so, we want them removed, IMMEDIATELY!”

He added that if mines were placed and they are not removed, Iran will face consequences “at a level never before seen.” He said, however, that if Tehran removes “what may have been placed, it will be a giant step in the right direction!”

Following Trump’s post, Secretary of Defense Pete Hegseth posted on X that at Trump’s direction, US Central Command “has been eliminating inactive mine-laying vessels in the Strait of Hormuz—wiping them out with ruthless precision. We will not allow terrorists to hold the Strait of Hormuz hostage.”

US Central Command said in a social media post later Tuesday that the military destroyed multiple Iranian naval ships — including 16 minelayers — near the Strait of Hormuz.

The IRGC previously warned that any ship passing through the strait would be attacked, and the channel has effectively been closed since the start of the war. The state of the strait has been described to CNN as a “death valley” given the risks involved in transiting.

US officials said Tuesday that the US Navy had not escorted any vessels through the strait, though Trump said Monday that his administration was looking at options to do so.

Trump also said during a Monday press conference that “the Strait of Hormuz is going to remain safe. We have a lot of Navy ships there. We have the best equipment in the world inspecting for mines.”

Nearly 15 million barrels per day (bpd) of crude production, plus another 4.5 million bpd of refined fuels, are now effectively stranded in the Gulf, CNN has reported, and producers like Iraq and Kuwait have no alternative to shipping oil through Hormuz. The G7 group of large economies has hinted it could move to release more oil to try to offset the shortages.

Uncertainty surrounding the ability to move oil through the waterway appeared to be causing severe volatility on the crude oil market on Tuesday, with the price per barrel fluctuating between more than $90 and less than $80 in a series of peaks and valleys. (CNN)

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