Damage to the power cable in the Baltic Sea is the latest in a spate of murky disruptions to undersea cables that have put European authorities on high alert.

The country’s prime minister said the incident, the latest in a series of disruptions to undersea infrastructure, underscored the danger of a so-called Russian shadow fleet.

Finnish police and border guards boarded the vessel, the Eagle S, early Thursday and took over the command bridge, Helsinki Police Chief Jari Liukku told a news conference. The vessel was being