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.

Nato also says it will enhance its military presence in the Baltic after a ship was suspected of sabotaging the Estlink 2 cable.

NATO Secretary General Mark Rutte said on Dec. 27 that "NATO will enhance its military presence in the Baltic Sea" following the recent damage to the Estlink 2 power cable in the Gulf of Finland likely caused by Russia.

Finland’s prime minister says authorities are investigating an interruption in a power cable under the Baltic Sea between his country and Estonia.

Damage to the power cable in the Baltic Sea is the latest in a spate of murky disruptions to undersea cables that have put European authorities on high alert.

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.

Police and media reports say that Finnish authorities have detained a Russia-linked ship as they investigate whether it damaged a Baltic Sea power cable and several data cables.

NATO Secretary-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 c

NATO Secretary-General Mark Rutte on Friday said the alliance will increase patrols in the Baltic Sea region after Finland seized an oil tanker suspected of having damaged undersea power and internet cables this week.