The Helsinki District Court has ruled to keep the oil tanker — suspected of belonging to Russia's "shadow fleet" — under seizure, despite an appeal from the ship's owner.

The findings have intensified fears of possible sabotage by Russia's so-called "shadow fleet" of fuel tankers. These aging vessels, often with murky ownership, are believed to operate without Western-regulated insurance and were acquired to circumvent sanctions imposed during the war in Ukraine.

A Finnish court denied on Friday the release of the oil tanker Eagle S, which was suspected of damaging undersea cables and a power line in the Baltic Sea. The Finnish authorities are investigating