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Finnish authorities are investigating an oil tanker that is part of Russia’s shadow fleet over whether it cut an electricity cable between Finland and Estonia.
The Eagle S was stopped by Finnish authorities after the Estlink 2 subsea electricity cable in the Gulf of Finland was disconnected on Wednesday. The tanker, which is registered in the Cook Islands and is carrying oil from Russia to Egypt according to ship tracking data, was seen passing over the cable at the time of the incident.
The aged tanker is part of Russia’s shadow fleet and is the focus of Finland’s investigation, according to people familiar with the probe. The Eagle S is also under investigation over whether it cut three communications cables in the Gulf of Finland, the people added.
The shadow fleet is a group of old and often poorly maintained ships used by Russia to circumvent international sanctions on its oil exports.
The Christmas Day incident appears to be the latest in a series of pipelines and cables being targeted in the Baltic Sea by foreign vessels, sparking fears of deliberate attacks on critical infrastructure between Nato countries.
“We must be able to prevent the risks posed by ships belonging to the Russian shadow fleet,” said Finland’s President Alexander Stubb in a post on X after a meeting with security chiefs on Thursday.
Last year a Chinese container ship, the Newnew Polar Bear, cut a gas pipeline between Finland and Estonia but was not stopped by authorities as it was in international waters.
A Chinese bulk carrier, the Yi Peng 3, last month passed over two data cables between Finland and Germany and Sweden and Lithuania about the times they were severed. It stopped for a month in international waters between Denmark and Sweden.
Chinese investigators finally boarded the ship last week, with Swedish, Danish, German and Finnish representatives present as observers. But Sweden’s foreign minister criticised Beijing for not allowing the lead Swedish investigator to board or to inspect the vessel, which has now left the region.
The Eagle S case is different as the ship voluntarily stopped inside Finnish waters, according to people familiar with the investigation, leaving no question as to jurisdiction. Ownership of the Eagle S is murky but it appears to be the only vessel owned by a Dubai company. Attempts to reach the owner on Thursday were unsuccessful.
Authorities have not determined the cause of the disconnection of the Estlink 2 cable. Estonia has also said it will not affect its electricity supply. The cable is used to export electricity from Finland, which recently brought its latest nuclear power plant online, to Estonia.
Finnish Prime Minister Petteri Orpo said the country’s electricity supply would not be affected.
Finnish authorities are keeping an open mind on the latest incident, not least because dozens of poorly maintained vessels in the shadow fleet sail in the Baltic Sea.
Environmental campaigners have issued repeated warnings about the dangers in the region and elsewhere of the dilapidated vessels.
In the Mediterranean, a Russian cargo ship under US sanctions for working with the Russian military sank between Spain and Algeria on Tuesday.
