COPENHAGEN (Reuters) -Finnish police said on Tuesday they had recovered a lost anchor from the seabed as part of an investigation of suspected sabotage against power and internet cables in the Baltic Sea.

The decision follows a spate of suspected sabotage incidents on underwater cables.

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.

NATO will strengthen its presence in the Baltic Sea following the outage of the Estlink 2 submarine power cable, Secretary General Mark Rutte said on Friday after speaking to Finnish President Alexander Stubb.

COPENHAGEN - Finnish police said on Tuesday they have recovered a lost anchor from the bottom of the ocean as part of an investigation of suspected sabotage against power and internet cables in the Baltic Sea.

Northern European countries, part of the Joint Expeditionary Force, have enhanced the protection of underwater cables in the Baltic Sea. Artificial intelligence is being used to monitor the Russian fleet.

Finland's Elisa said on Monday that it had finished the repair of its two undersea telecommunications cables that were damaged in the Baltic Sea on Dec. 25. Finland on Dec. 26 seized the Eagle S tanke

Finnish authorities have found and retrieved the anchor of the Eagle S tanker, suspected of damaging cables in the Baltic Sea. Investigators will begin inspecting it on Tuesday. Finnish radio Yle reported that the tanker Eagle S's anchor was located at the bottom of the Gulf of Finland and brought to the surface.