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

Swedish authorities are investigating a suspected sabotage of an underwater fiber optic cable connecting Latvia and the Swedish island of Gotland. The investigation involves the National Police Operations Department,

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.