Finnish police said on Thursday they are investigating whether a foreign ship was involved in the damage of an undersea power cable connecting Finland and Estonia following a sudden outage on Wednesday.

Finland's power grid operator Fingrid said on Thursday it had asked a Helsinki court to seize the Eagle S oil tanker in a bid to secure the company's claim for damages related to the breakdown of the Estlink 2 electricity cable.

Finnish authorities are set to inspect an oil tanker suspected of sabotage after damage to a Baltic Sea electricity cable, the Finnish news agency STT reported on Monday, citing the authorities. The Finnish Transport and Communications Agency (Traficom) is to inspect the Cook Islands-flagged oil tanker Eagle S,