Finland's national power grid operator said on Thursday it had asked a Helsinki court to seize the Eagle S oil tanker in a bid to secure the company's claim for damages related to the breakdown of the undersea Estlink 2 electricity interconnector.

Helsinki District Court upheld a decision by the Finnish authorities to seize the oil tanker Eagle S, rejecting an appeal to release the ship and its crew.

The damaged cable is one of several recent incidents in the Baltic Sea under investigation as possible acts of sabotage.

A Finnish court on Friday denied a request for the release of an oil tanker suspected by police of damaging an undersea power line and four telecommunications cables in the Baltic Sea last week.

Finnish authorities investigating damage to subsea power and data cables found drag marks on the seabed likely left by the anchor of seized tanker Eagle S.

Finnish authorities investigate Eagle S, Cook Islands-registered tanker believed to be linked to Russia's 'shadow fleet' - Anadolu Ajansı

A Finnish court on Friday denied a request for the release of an oil tanker suspected by police of damaging an undersea power line and four telecommunications cables last week. Finland on Dec. 26 seiz

The court in Finland has allowed the detention of a tanker of Russia's shadow fleet suspected of damaging cables in the Baltic Sea. The detained vessel is suspected of involvement in the incident with an energy cable and four communication cables,

Finland is allowed to keep detained the shadow-fleet tanker that damaged a power link and four data cables in the Baltic Sea last week, a court ruled.Most Read from BloombergIs This Weird Dome the Future of Watching Sports?