An undersea fiber optic cable between Latvia and Sweden was damaged on Sunday, likely as a result of external influence, Latvia said, triggering an investigation by local and NATO maritime forces in the Baltic Sea.

Sweden said Sunday that it seized a vessel suspected of damaging a fiber-optic cable under the Baltic Sea that links the country to Latvia, in what authorities are investigating as an act of "aggravated sabotage.

Sweden has detained a ship suspected of damaging a new undersea cable in the Baltic Sea connecting the Scandinavian country to Latvia. Swedish authorities seized the vessel Michalis San, which was en route to Russia,