Belgium and France moved from monitoring to enforcement in the North Sea, boarding and seizing the Ethera, a tanker Belgian officials identified as part of Russia’s shadow fleet used to keep crude exports moving despite Western sanctions tied to Moscow’s 2022 invasion of Ukraine.
Belgium said the vessel was intercepted in an overnight operation and was being escorted to the port of Zeebrugge for seizure. Belgian Defence Minister Theo Francken said the tanker was suspected of sailing with a false flag and false documents, while a Belgian official said the Ethera is already on the EU sanctions list.
Maritime tracking site VesselFinder lists the ship under a Guinean flag, aligning with the allegation that the vessel was operating under questionable registry cover.
Deputy Prime Minister Maxime Prévot said on X that “a vessel from Russia’s shadow fleet was intercepted in the North Sea” and later added that “sanctions only matter if they are enforced. Today, we enforced them.”
French President Emmanuel Macron confirmed French military support, saying French navy helicopters helped during the nighttime boarding by Belgian forces. Macron called the operation “a major blow” to Russia’s shadow fleet and tied the action directly to Europe’s effort to cut off funding for Russia’s war in Ukraine.
A major blow to the shadow fleet: in the North Sea, our French Navy helicopters helped last night in the boarding by Belgian forces of an oil tanker under international sanctions.
— Emmanuel Macron (@EmmanuelMacron) March 1, 2026
Europeans are determined to cut off the sources of funding for Russia’s war of aggression… pic.twitter.com/CnoxyND7BB
Belgian officials also said the action was carried out with G7, Nordic and Baltic partners through an international task force focused on the shadow fleet. That broader coalition is significant because the EU has blacklisted hundreds of vessels, but enforcement has often lagged designation. A source set says the EU had designated about 600 vessels by December.
Ethera is a 2008-built ship capable of carrying more than 100,000 tons, suggesting the seizure potentially disrupts a meaningful volume of cargo capacity rather than a token shipment.
The enforcement rationale also tracks with how Europe has tried to board suspected shadow fleet ships. These tankers reportedly frequently use false flags or no flag at all, creating one of the main legal bases for intervention since EU sanctions do not automatically apply in international waters.
Ukraine President Volodymyr Zelenskyy said the tanker had long been under US, EU, and UK sanctions and accused it of continuing to transport Russian oil illegally using a false flag and forged documents. He urged Europe to modernize legislation so sanctioned tankers carrying Russian oil can be not only stopped but seized, with cargo potentially repurposed for Europe’s security.
Belgium's decisive decision to seize a tanker from Russia's shadow fleet last night. This particular vessel has long been under US, EU, and UK sanctions, but nonetheless continued to illegally transport Russian oil using a false flag and forged documents. We welcome this strong… https://t.co/buIvEjwYKY
— Volodymyr Zelenskyy / Володимир Зеленський (@ZelenskyyUa) March 1, 2026
Another source says France had boarded two other suspected vessels in recent months, the Boracay and the Grinch, suggesting European maritime enforcement is becoming more assertive and more frequent.
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