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

Finland's power grid operator Fingrid 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 Estlink 2 electricity cable.

G rey-zone operations, hybrid warfare, slicing the salami: there are many terms for Russia’s use of covert attacks that leave opponents unsure how to respond. The latest theatre seems to be the Baltic Sea. Twice in the past two months, commercial ships with Russian links have been accused of damaging cables by dragging their anchors.

Finnish law enforcement suspects another crew member of a Russian shadow fleet tanker in the severing of underwater cables, bringing the total number of suspects to eight, Yle reports. The list of suspects has grown to include another crew member,

The owner of an oil tanker seized by Finland on suspicion of breaking an undersea power line and four telecoms cables in the Baltic Sea last week is seeking the release of the ship, a lawyer representing the company said on Monday.