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Signs of the Iran war’s spread emerged this weekend despite a pause in US strikes, as Yemen’s Houthis attacked Saudi oil installations along the Red Sea coast and Iran accused Ukraine of targeting an Iranian vessel in the Caspian Sea.
The US military said on Saturday that its naval blockade against Iran “remains in full effect” but did not explain why it halted a streak of 13 nights of escalating strikes.
Asked about the pause, a senior official in President Donald Trump’s administration said Trump “has always been clear that his preference is diplomacy, but he has shown Iran what will happen if they fail to come to the table in a serious way.”
There were also no reports on Saturday of attacks from Iran on neighbouring countries, like those that have been taking place daily in response to the US attacks.
Trump has decided, for now, to back away from earlier plans to ramp up attacks on Iran, the New York Times reported on Saturday night, citing two people briefed on the discussion.
The president and his advisers, according to the Times, have concerns about expanding the conflict, depleting defence stockpiles, alienating Persian Gulf allies and affecting energy supplies and the global economy.
Despite the lull in the Gulf, fighting between Iran’s Houthi allies and Saudi Arabia on Saturday indicated the war, which has already disrupted energy supplies through the Strait of Hormuz, could affect a second major shipping route and reignite Yemen’s civil war.
Separately, Iran’s Foreign Ministry accused Ukraine of attacking an Iranian commercial vessel in the Caspian Sea, saying it resulted in an explosion that killed a sailor and injured another.
Earlier on Saturday, Ukrainian President Volodymyr Zelensky, in a social media post, praised the results of “long‑range strikes” in the Caspian Sea, alluding to vessels shipping military cargo, but did not identify the nationality of the targets.
Iran’s Foreign Ministry summoned Ukraine’s chargé d’affaires in Tehran to convey its protest over what it described as a “hostile and criminal” attack, Iran’s state news agency IRNA reported.
The Iranian denunciation coincided with comments by Zelensky that Kyiv had noted Russia was passing on its satellite observations in the Middle East to Iran to enable it to direct strikes in the region.
Houthi military spokesperson Yahya Saree said the group struck sites belonging to Saudi state oil company Aramco in Jizan and Yanbu.
Video shared on social media and verified by Reuters showed a large column of smoke rising from the direction of the Aramco refinery in Jizan.
Two Asia-based trading sources said they had been informed of potential damage to fuel and oil storage sites at Jizan.
Aramco did not respond to requests for comment.
In Yanbu, two ballistic missiles aimed at oil installations were intercepted by a US-made Patriot battery operated in Saudi Arabia by the Greek military under an agreement with Riyadh, Greek security sources said.
Yanbu, Saudi Arabia’s main Red Sea oil port, has become a key route for Saudi oil skirting the Strait of Hormuz, which Iran has blockaded.
Up to 400,000 barrels can be processed daily at the oil refinery in Jizan, a city on the Red Sea close to the Yemeni border.
In Yemen, the air force of the Saudi-backed, internationally recognised government, which has opposed the Houthis for more than a decade, struck Houthi launch sites and arms depots in the Marib and Al Jawf provinces, Yemeni officials said.
Earlier, the Saudi-led military alliance said it bombed Houthi military positions on Friday in the Red Sea coastal city of Hodeidah, although the coalition said it did not target the port facilities.
The Yemeni officials said both sides in Yemen’s civil war were mobilising forces along the front.
Saudi Arabia has led an Arab coalition battling the Houthis for more than a decade since the Iran-aligned fighters captured Yemen’s capital, Sanaa.
The civil war, during which hundreds of thousands of people died from fighting and famine, has been paused under a ceasefire since 2022.
But that truce broke down this month, with the Houthis effectively joining the wider war their Iranian allies have waged since being attacked by the US and Israel five months ago.
The Houthis have declared a naval blockade of Saudi Arabia over the past week, and Houthi leader Abdul Malik Al Houthi said all Saudi oil facilities could be targets. On Thursday, the Houthis struck two Saudi tankers in the Red Sea.
American forces recently resumed their own blockade on Iranian ports.
US Central Command, whose coverage area includes the Middle East, said it disabled a ship whose crew attempted to run the blockade despite “repeated warnings” on Friday in the Gulf of Oman.
