Swedish prosecutors announced Sunday night that they have 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 earlier that day.

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,

On Sunday morning, an undersea fiber-optic cable belonging to the Latvian State Radio and Television Center (LVRTC) was damaged in the Baltic Sea, the center reported.