On Saturday, Ukraine's President Volodymyr Zelenskyy confirmed that Ukrainian forces had conducted strikes on Caspian Sea targets, hitting both a warship and vessels transporting military cargo for Iran. Iranian sources reported that the assault resulted in one fatality among their sailors and multiple injuries.
Iran summoned Ukraine's chargé d'affaires in Tehran on Sunday to protest the attack. Iran's foreign ministry called the strike a "hostile and criminal act," as reported by Iran's Islamic Republic News Agency.
For years, Russia has deployed Iranian-manufactured Shahed drones in its conflict with Ukraine.
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President Donald Trump temporarily suspended attacks on Iran to leave room for diplomatic efforts, as the US envoy to the UN, Mike Waltz, explained on Fox News Sunday. "He's giving talks some space, he's giving it a little bit of room," Waltz said.
According to The New York Times, administration officials revealed that Trump has postponed, at least temporarily, plans to dramatically increase US military action against Iran due to concerns over low stockpiles of Patriot interceptor missiles and additional air-defense systems. On Saturday, the US military stated that its naval blockade of Iran "remains in full effect" but offered no explanation for why the attacks had stopped. No reports emerged of Iranian strikes on neighboring countries either.
The conflict also featured Saudi Arabia conducting military strikes against Houthi rebels in Yemen, who are backed by Iran, after the group's recent attacks on Red Sea shipping. Saudi air defense systems reportedly shot down two ballistic missiles originating from Yemen on Saturday.
Meanwhile, Iran's Islamic Revolutionary Guard Corps Navy claimed it has "established complete authority over the Strait of Hormuz." In a Telegram message early Sunday, it reported that it had ordered six ships to halt after issuing warnings during the preceding 24 hours.
Although formal high‑level talks between the US and Iran remain suspended, Iranian Foreign Ministry spokesman Esmail Baghaei confirmed that technical discussions with Oman regarding the Strait of Hormuz took place over the weekend.
Crude prices fell on Friday as news emerged that Pakistan is exploring ways to restart negotiations between the US and Iran. US West Texas Intermediate crude dropped 3%, ending at $89.31 a barrel. Three sources told Reuters that Beijing supported Pakistan's efforts to restart US‑Iran talks.
This escalation highlights Ukraine's growing ability to project force deep into the Caspian region, traditionally a zone of influence for Russia and Iran. The strike, combined with the US pause in airstrikes and Saudi intervention in Yemen, has intensified market fears over potential disruptions to oil supply routes, particularly the Strait of Hormuz, where Iran's Revolutionary Guard claims full control. The resulting uncertainty contributed to Friday's sharp drop in crude prices, as traders weighed the risk of broader regional conflict.
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