NATO is ratcheting up its guard against suspected attempts to sabotage underwater energy and data cables and pipelines that crisscross the Baltic Sea.

President of Finland, Alexander Stubb, admitted that there is no certainty about who is responsible for cutting cables in the Baltic Sea. Local media suggest that the authorities may be covering up Russia's involvement.

The Nordic country has opened an investigation into the damage, just weeks after NATO stepped up its military presence in the area following a series of similar incidents.

After a series of suspected undersea cable cuttings, NATO has launched a new surveillance and deterrence mission to protect critical infrastructure under the Baltic Sea.

Over the past 15 months, 11 undersea cables in the Baltic Sea have been damaged, creating serious concerns for the security of Europe’s communication and energy networks. These cables are essential for the smooth operation of countries bordering the Baltic,