Finnish investigators probing the damage to a Baltic Sea power cable and several data cables said they found an anchor drag mark on the seabed, apparently from a Russia-linked vessel that has already been seized.

Finnish police have discovered traces on the bottom of the Baltic Sea stretching for dozens of kilometers. It is believed that a tanker, which was carrying Russian oil, severed a power line and four telecommunications cables with its anchor,

Eagle S is being held on suspicion of causing damage to an undersea power line and four telecoms cables by dragging its anchor

NATO said on Friday it would boost its presence in the Baltic Sea after the suspected sabotage this week of an undersea power cable and four internet lines, while alliance member Estonia launched a naval operation to guard a parallel electricity link.

General Mark Rutte says the military alliance will step up patrols in the Baltic Sea area as Finnish investigators work to establish whether a ship linked to Russia sabotaged undersea cables there this week.

Last week's possible sabotage is the latest incident of undersea cables being disconnected, or deemed to have been deliberately sabotaged, in the Baltic Sea, where

This photo provided by Rajavartiosto (Finnish Border Guard) on Thursday, 26 Dec 2024, shows the oil tanker Eagle S, background, and the Finnish Border Guard ship Turva.