After Strait of Hormuz and Red Sea, has Iran war now reached Caspian Sea?
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x whatsapp-stroke copylink google Add Al Jazeera on Google info An Iranian warship during its inauguration ceremony at the port of Bandar Anzali on the Caspian Sea [File: Iranian Army via AFP] By Caolán Magee Published On 26 Jul 2026 26 Jul 2026 A Ukrainian strike on an Iranian commercial vessel in the Caspian Sea could open a new front in a growing overlap between the wars in Ukraine and the Middle East.
Iran said one of its sailors was killed and another wounded after the vessel was attacked on Saturday, prompting Tehran to summon Ukraine’s diplomats and accuse Kyiv of carrying out a “hostile and criminal” act.
Ukrainian President Volodymyr Zelenskyy said long-range strikes targeted vessels carrying military cargo linked to Iran, as well as a Russian warship, as he accused Moscow of helping Iran’s military campaign against the United States.
The incident came as tensions remain high despite a pause in the US attacks on Iran after 13 consecutive nights of renewed bombardment. It also raises questions about whether the Caspian Sea, long regarded as one of Iran’s safest maritime routes, could become another arena for confrontation.
The timing is particularly sensitive, with Iran already facing pressure along its southern coastline, where the US maintains a naval blockade around the Strait of Hormuz, while Yemen’s Houthi rebels continue to disrupt shipping through the Red Sea.
Any threat to trade across the Caspian Sea would further squeeze one of Iran’s remaining strategic maritime corridors. Questions, therefore, surround whether the incident marks the opening of a new military front or simply an attempt to increase economic pressure on Iran.
Iran’s Ministry of Foreign Affairs summoned Ukraine’s charge d’affaires in Tehran after what it described as a “hostile and criminal” attack on an Iranian commercial vessel in the Caspian Sea, according to state news agency IRNA.
The ministry said the attack, which it claimed had been acknowledged by Ukraine’s leadership, reflected Kyiv’s continued “irrational and hostile approach” towards Iran and warned that Tehran would defend its national interests.
It also described the incident as a violation of Article 2(4) of the United Nations Charter and warned it could further expand the Russia-Ukraine war.
Iranian Foreign Minister Abbas Araghchi later discussed the incident with the European Union foreign policy chief, Kaja Kallas.
According to Iran’s Foreign Ministry, Araghchi condemned the attack and called for “a firm response” from the UN Security Council, the EU and the wider international community. He also demanded accountability for those responsible, as well as for countries supporting Ukraine – an apparent reference to Europe’s military assistance to Kyiv.
Tehran also reiterated that it has never directly intervened in the Russia-Ukraine war.
Zelenskyy posted on X that Ukraine had achieved “very strong results” through long-range strikes in the Caspian Sea, targeting “vessels used in military cargo shipments involving Iran, as well as a warship”. He did not identify the Iranian commercial vessel.
The Ukrainian president also accused Russia of providing Iran with satellite intelligence to support its military campaign in the Middle East.
“Since the beginning of July, we have recorded active Russian satellite surveillance of the Gulf states and US military facilities located there. These images subsequently appear in Iran,” Zelenskyy said.
He added that Ukraine had observed “a clear correlation” between Russian satellite imagery and subsequent Iranian attacks, saying the images were used both before strikes “in preparation for them” and afterwards “to assess the damage inflicted”.
Zelenskyy said Russian satellites monitored four airbases on July 19 and 20 – two in Bahrain and one each in Jordan and Kuwait – and announced that Ukraine would share the intelligence with its international partners.
“Russia must be stopped. This war must be stopped. Pressure on the aggressor must work,” he said.
Relations between Tehran and Kyiv have deteriorated sharply since 2022, when Iran began supplying Russia with Shahed drones.
Kyiv says Moscow has since adapted the Iranian-designed drones and launched tens of thousands of them on Ukrainian cities. According to it, Ukrainian forces have shot down more than 44,000 Iranian-designed drones since Russia’s full-scale invasion began in 2022.
As Iran’s confrontation with the US intensified, Ukraine has also offered its antidrone technology and expertise to Gulf countries targeted by Iranian missile and drone attacks, deploying specialists to Qatar, Saudi Arabia, the United Arab Emirates and Kuwait.
Al Jazeera’s Tohid Asadi, reporting from Tehran, said Iranians are “not really happy with [the Ukrainian attack], while they are also dealing with a US blockade on the southern coast”.
He said pressure on Iran’s northern coastline was adding to growing concerns over the country’s maritime trade routes.
Iran has not indicated whether it intends to retaliate against Ukraine. However, Iranian commentators have said Kyiv lies within the range of several Iranian missile and drone systems, potentially giving Tehran military…
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