A submarine cable was damaged in the Baltic Sea, the fourth case reported by the Nordic countries in the past two months. View on euronews

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.

Swedish authorities have seized a ship over the “aggravated sabotage” of an undersea fibre-optic cable linking Latvia with a strategically important island in Sweden.

Sweden has opened a preliminary investigation into suspected aggravated “sabotage” and ordered the detention of a vessel in the Baltic Sea suspected of damaging an underwater fiber optic cable connecting Latvia and the Swedish island of Gotland

The Arelion submarine cable, which connects the Swedish island of Gotland to Lithuania, and the C-Lion 1 submarine communications cable that runs between Finland's capital Helsinki and the German city of Rostock were also damaged in mid-November near Sweden's territorial waters.

Sweden detained a vessel suspected of damaging a subsea data cable connecting it with Latvia, the third such incident in the Baltic Sea in the past three months.

A subsea data cable between Latvia and Sweden was damaged early Sunday, sparking a criminal investigation, a third such incident in the Baltic Sea in the past three months.

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

On Sunday, an undersea cable ferrying data between Sweden and Latvia was damaged, most likely as a result of an external force, Latvia said.

On Sunday, an undersea cable ferrying data between Sweden and Latvia was damaged, most likely as a result of an external force, Latvia said.

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,