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.

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

Hundreds of Swedish troops arrived in Latvia on Saturday to join a Canadian-led multinational brigade along NATO's eastern flank, a mission Sweden is calling its most significant operation so far as a member of the Western defense alliance.

The Russian crew and Norway-owned shipping company are cooperating with the authorities, police say, days after Sweden detained another vessel.

The fibre optic line that runs between Latvia and Sweden was likely targeted by an 'external influence', Riga said. Latvia's navy has identified a boat it suspects of being involved in the ...

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.

Latvia's prime minister says her government has reached out to Sweden and other Baltic Sea allies in NATO for assistance as it investigates the cause of damage to an underwater fiber-optic data cable running to Sweden.

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.

The diplomatic mission sent an official request to the Tromso County police and is investigating the circumstances of the incident

The authorities said they believed the vessel may have been involved in damaging the cable, the latest act of apparent sabotage in the Baltic Sea.

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