Sweden is investigating damage to a data cable linked to Latvia, the latest breach in the Baltic Sea region where European authorities are on high alert.

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 subsea cable connecting Latvia to Sweden’s Gotland island is the latest cable to be damaged in the Baltic Sea. Owned by Latvia’s State Radio and Television Centre (LVRTC), the cable’s Ventspils–Gotland segment was damaged early on January 26, at depths of 100m.

OSLO - Norwegian police said on Friday they had seized and boarded a Norwegian ship with an all-Russian crew on suspicion of involvement in causing damage to a telecoms cable in the Baltic Sea. Read more at straitstimes.

Norwegian police announced today that a Norwegian-flagged vessel has been detained in Tromso under suspicion of being involved in Baltic cable sabotage. Latvian authorities asked the Tromso police to detain the 5,353 dwt Silver Dania (built 1989), which was sailing between St Petersburg and Murmansk.

NATO is deploying eyes in the sky and on the Baltic Sea to protect cables and pipelines that stitch together the nine countries with shores on Baltic waters.

Swedish authorities have seized a ship suspected of damaging a data cable running under the Baltic Sea to Latvia. Prosecutors said an initial investigation pointed to sabotage, and an inquiry has been launched involving Sweden's police, military, and coast guard.

Estonia's defence minister on Wednesday said ships may have to pay a fee to use the Baltic Sea to cover costs of protecting undersea cables.

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.

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.

Norway has detained the Silver Dania on suspicion of involvement in damaging a fiber optic cable in the Baltic Sea. The ship's crew are Russians, Dagbladet reports. Norwegian police said they had seized the Silver Dania based on a legal request from Latvia and a court order.