Deliberate Sabotage: The Eagle S Incident
In the midst of the Christmas season in 2024, five submarine cables connecting Finland and Estonia were maliciously damaged. According to the Finnish Prosecutor’s Office, the incident was not an accident; rather, it was orchestrated when an oil tanker dragged its anchor over a distance of approximately 90 kilometers, severing the Estlink 2 electrical interconnection and four telecommunications cables. Over seven months later, on August 11, 2025 , the Prosecutor’s Office brought forth charges against the captain and two officers of the Eagle S ship for aggravated damage and interference in communication, a vessel that European authorities have connected to the shadowy dealings of Russian crude oil.
The Initial Discovery
On the night of December 25, 2024 , the Estlink 2 link abruptly ceased operations, followed shortly by failures in four data cables traversing the same Gulf of Finland section. Thankfully, alternate routes mitigated a total service collapse. However, the technical implications were profound, prompting an immediate investigation focused on the maritime activities in the vicinity of the cable breach.
Uncovering the Evidence
Investigators noticed a 90-kilometer groove at the bottom of the Baltic, which was indicative of the damage caused. The damage pattern clearly showed a prolonged groove in the seabed that perfectly aligned with the course of the Eagle S . Researchers revealed that the navigation data corroborated the ship’s trajectory with the locations of the damaged cables. Furthermore, police managed to recover an anchor whose location coincided with both the Eagle S route and the grooves detected, further substantiating the evidence underpinning the charges against the officers involved.
The Significance of Estlink 2
The Estlink 2 link is a high-voltage direct current electrical interconnection that serves as a vital junction between Finland and Estonia , operational since December 2013 . With a maximum capacity of 650 megawatts , it plays a crucial role in balancing electrical demand between the two nations. Following the initial damage, emergency protocols by Fingrid and Elering were activated to sustain grid stability, with the link returning to service on June 20, 2025, after substantial repairs were completed.
Impact on Telecommunication
Besides the power grid disruption, four telecommunications cables were also harmed, affecting data traffic between the two countries. Key affected operators included Elisa , Cinia , and a cable managed by CITIC . While repair initiatives began promptly, lasting several weeks, the Prosecutor’s Office revealed that the owners had incurred direct repair costs amounting to at least €60 million . Fortunately, end users experienced no significant service interruptions due to alternative routing options available.
The Eagle S: A Shadowy Figure
The Eagle S , marked as an oil tanker registered in the Cook Islands , had departed from the Russian port of UST-Luga , transporting oil products and was last detected in the vicinity of the affected cables. Multiple media reports linked its ownership to Caravella LLC FZ , a company based in the United Arab Emirates. Notably, the vessel is part of the so-called “Shadow Fleet,” known for continuing commercial operations despite international sanctions. In fact, the European Union placed Eagle S on its sanctions list on May 20, 2025.
Legal Jurisdiction: A Crucial Debate
Legal experts have raised questions about whether Finland can prosecute the crew of the Eagle S , arguing that the cuts occurred outside Finnish territorial waters. Accordingly, some believe Finland lacks jurisdiction for prosecution. However, the Prosecutor’s Office contends that the consequences of the damage were felt within Finland, thereby justifying legal action. The courts in Helsinki now face the critical task of deciding jurisdiction, once which will heavily influence the procedural timelines of the ongoing investigation.
A Pivotal Moment for Legal Proceedings
The forthcoming judicial ruling will undoubtedly set a significant precedent in the realm of international law and critical infrastructure protection . Should Finnish courts assert authority over the matter, it could mark a crucial moment in Europe’s stance against attacks on vital infrastructure.