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,

The Baltic Sea operation in the region bordering Russia comes as European fears of sabotage mount after a string of disruptions to underwater cables.

Estonian naval ships are taking part in stepped-up patrols in the Baltic Sea by NATO countries after undersea power and communications cables have been damaged in recent months.

By Anne Kauranen, Essi Lehto and Andreas Rinke HELSINKI (Reuters) -NATO countries will deploy frigates, patrol aircraft and naval drones in the Baltic Sea to help protect critical infrastructure and reserve the right to take action against ships suspected of posing a security threat,

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.

A French patrol aircraft operating in international airspace over the Baltic Sea as part of a NATO observation mission was detected by the radar of the Russian S-400 air defense system. French Defense Minister Sébastien Lecornu condemned this action,

A French patrol aircraft operating in international airspace over the Baltic Sea as part of a NATO observation mission was detected by the radar of the Russian S-400 air defence system. French Defence Minister Sébastien Lecornu condemned this action,