The Baltic Sea region is on high alert as fears grow that Russia could target undersea cables as part of a wider campaign of so-called "hybrid warfare".

ABOARD A FRENCH NAVY FLIGHT OVER THE BALTIC SEA, Jan 28, (AP): With its powerful camera, the French Navy surveillance plane scouring the Baltic Sea zoomed in on a cargo ship plowing the waters below - closer, closer and closer still until the camera operator could make out details on the vessel's front deck and smoke pouring from its chimney.

Russia has condemned the Western alliance for ramping up its naval presence in the so-called 'NATO lake' after alleged sabotage by Moscow-linked vessels.

The mission, dubbed Baltic Sentry, follows worry over increased Russian military activity near key undersea communication cables.

NATO on Tuesday launched operation Baltic Sentry to deter further attempts to damage critical underwater infrastructure in the Baltic Sea. Secretary General Mark Rutte announced the operation on Tuesday in a joint press conference with Finland President Alexander Stubb and Estonia Prime Minister Kristen Michal at the Baltic Sea NATO Allies Summit held in Helsinki,

Numerous incidents of suspected Russian-linked sabotage of undersea cables in the Baltic Sea has seen tensions rise among nearby countries, and an increased Nato presence.

Sweden is investigating damage to a data cable linked to Latvia, the latest breach in the Baltic Sea region where European authorities are on high alert.

Several undersea cables running under the surface of the Baltic Sea have been damaged in suspected sabotage incidents in recent months.

German Chancellor Olaf Scholz highlights risks from Russia's shadow fleet amid undersea cable damage, stressing NATO's role in Baltic security.

The Danish PM's tour of three capitals betrayed the nervousness felt in Denmark over Trump's repeated comments.

With its powerful camera, the French Navy surveillance plane scouring the Baltic Sea zoomed in on a cargo ship plowing the waters below - closer, closer and closer still until the camera operator could make out details on the vessel’s front deck and smoke pouring from its chimney.