Finland detains vessel after cable damaged between Tallinn and Helsinki

The Finnish Border Guard took control of a vessel suspected of breaking an undersea cable in the Gulf of Finland on December 31, 2025. Source: Finnish Border Guard

Finland’s police detained a cargo ship in the Gulf of Finland after an undersea cable in Estonia’s exclusive economic zone was damaged on Wednesday morning. Estonian authorities said faults were detected on two cables. The prime minister said initial evidence suggests the vessel is not connected to Russia’s shadow fleet.

The Police of Finland said in a statement that the telecommunications company Elisa reported a fault on a cable between Helsinki early on the morning of December 31.

The Finnish authorities then took control of a suspected vessel located in the country’s exclusive economic zone.

The Police said the “vessel’s anchor chain was found to be lowered into the sea” and the Border Guard ordered the ship’s crew to “raise the anchor. The agency requested that the vessel move into Finnish territorial waters.

“At this stage, the police are investigating the incident as aggravated criminal damage, attempted aggravated criminal damage, and aggravated interference with telecommunications,” the police said.

Read more: ERR.EE

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