The authorities are looking into possible damage to an undersea line east of Gotland island. NATO has stepped up its surveillance of the region.

Swedish authorities are investigating damaged undersea cables in the Baltic Sea, suspecting Russian sabotage. Recent incidents have raised security concerns, prompting the European Commission to propose measures for better protection and threat monitoring in the Mediterranean and Baltic regions,

Swedish police said on Friday they were investigating a suspected case of sabotage of an undersea telecoms cable in the Baltic Sea, and the country’s coast guard deployed a vessel to the area where multiple seabed cables have been damaged in recent months.