NATO and its eight Baltic Sea allies say they are stepping up efforts to deter 'any attempts at sabotage' in the wake of a series of incidents that have damaged key undersea power and telecommunications cables.

Crew on board an oil tanker accused of sabotaging undersea power and communications cables in the Baltic Sea were poised to cut other cables and pipelines when Finnish authorities boarded the vessel last month,

NATO warships began patrolling the Baltic Sea this week. Some of the ships are anchored in Tallinn's Mine Harbor, ERR reports. Warships have begun patrolling as part of the Baltic Guard program. Three NATO ships anchored in Tallinn.

NATO is launching a new mission to protect undersea cables in the Baltic Sea region after a string of incidents that have heightened concerns about possible Russian activities, the alliance’s leader said.

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.