Swedish authorities said Friday they were investigating suspected damage to an underwater cable in the Baltic Sea, following a string of incidents experts believe are acts of sabotage orchestrated by Russia.

Finnish operator Cinia said it had recorded "some disturbance" on its C-Lion 1 communications cable linking Finland and Germany.

"However, the disturbance does not affect the functionality of telecommunications connections running in the cable and the data traffic continues flowing normally," it said in a statement, adding that the cause was "still under investigation".

The same cable had previously been cut in November last year with suspicions falling on a Chinese ship.

A string of incidents involving damage to cables and other infrastructure in the Baltic Sea have occurred in recent months, amid soaring tensions between the West and Russia over Moscow's war in Ukraine.

Swedish police spokesman Mathias Rutegard told AFP an investigation into suspected "sabotage" had been opened following the latest........

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