Ukraine and Iran struggle to de-escalate after attack on cargo ship in the Caspian Sea

Background: Russia's war against Ukraine

During the phone call itself, Sybiha explained the background to his Iranian counterpart and urged him to „auf eskalierende Schritte zu verzichten“ and „jede Unterstützung für den russischen Angriffskrieg einzustellen“. Sybiha added, according to reports: „Dieser Krieg ist illegal, und er muss enden“.

The Ukrainian foreign minister had previously met with Zelensky in Washington, where both also visited US President Donald Trump. Just hours before the phone call, the Ukrainian president had publicly disclosed the attack.

Reaction from Moscow and Washington's role

Moscow also issued a warning against further escalation. The Russian Foreign Ministry stated that the attacked ship had been transporting civilian cargo from the Russian port of Astrakhan to Iran. Ministry spokeswoman Maria Zakharova accused Kyiv of terrorism and spoke of a danger to security in the Caspian region.

The background to the conflict is Russia's war of aggression against Ukraine, which has lasted more than four years and in the course of which Moscow has also used the Caspian region for attacks. Zelensky had also accused Russia of intensively supplying the Iranian military with satellite imagery of the Gulf region.

Outlook on the next steps

Ukraine has long accused Iran of supporting Russia in the war, including through drone technology. Zelensky also offered states in the Middle East the help of Ukrainian drone experts in defending against Iranian attacks. Tehran's stance on Russia's conduct of the war remains a central point of contention between Kyiv and Iran following the recent tensions.

The newspaper article also characterizes Iran as a country that has itself been attacked by the United States and Israel. This framing casts an additional light on the complex geopolitical situation in which the incident in the Caspian Sea threatens to escalate between Kyiv and Tehran.

The immediate consequences of the maritime attack and the subsequent diplomatic contacts are currently uncertain. Observers see the coming days as providing decisive signals as to whether Tehran will follow words with deeds and how Ukraine and its Western partners would respond to possible Iranian retaliation.