Finnish investigators say the crew of an oil tanker accused of damaging undersea power and communication cables in the Baltic Sea were preparing to cut additional infrastructure before authorities intervened,

On Dec. 26, Finnish authorities seized oil tanker Eagle S carrying Russian oil. They said they suspected the vessel had damaged the Finnish-Estonian Estlink 2 power line and four telecoms cables by dragging its anchor across the seabed for more than 100 km (60 miles).

The Nordic country's National Bureau of Investigation says the ship is suspected of towing an anchor that caused damage to a source of electricity powering Estonia.