Finnish authorities are investigating an incident in the Baltic Sea after an undersea telecommunications cable was damaged, reportedly caused by a merchant vessel that dragged its anchor across the seabed for an extended distance.

According to officials, preliminary findings indicate that the ship’s anchor remained deployed and scraped along the seafloor for tens of kilometers before the cable was severed in the Gulf of Finland. The damaged cable is part of critical infrastructure linking Finland and Estonia, supporting regional data and communications traffic.

The vessel, which had recently departed from a Russian port, was detained by Finnish authorities as part of the investigation. Law enforcement agencies have secured the ship and are questioning crew members to determine whether the incident resulted from negligence, technical failure, or deliberate action. Criminal investigations have been launched on suspicion of aggravated damage to infrastructure and interference with telecommunications systems.

Telecommunications operators reported that service disruptions were limited, as data traffic was rerouted through alternative connections. Repair planning is underway, with authorities coordinating closely with cable owners and neighboring countries.

Finnish officials emphasized that no conclusions have yet been drawn regarding intent. However, the case has intensified scrutiny of maritime operations in the Baltic Sea, where subsea cables, pipelines, and power links are considered strategically vital.

The incident adds to growing regional concern over the vulnerability of undersea infrastructure amid heightened geopolitical tensions. Baltic and Nordic states have increasingly called for enhanced monitoring and protection of critical maritime assets.

Investigations remain ongoing, and further details are expected as authorities complete technical inspections and legal assessments.