Event fb057a48-8e7f-4d27-a4c6-fdfd872101ae

Healthy processed event from Hybrid War Tracker

Status: Healthy (Processed) Last Updated: 2026-02-14 Confidence: Low Classification: Energy & Infrastructure Attacks > Critical Infrastructure Sabotage > Undersea cables Country: Finland Where: Maritime Tag: Baltic Sea Tag: cable Tag: Sabotage Tag: finland Tag: Estonia Tag: Undersea cable damage Tag: Gulf of Finland Tag: Critical infrastructure sabotage Tag: Maritime security Tag: Russian shadow fleet Aggressor Confidence: High
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Event Time
1mo ago
Created
2w ago
✏️
Updated
16h ago

Summary

Headline: Finland detains vessel after cable damaged between Tallinn and Helsinki

Short Summary: On the morning of December 31, 2025, faults were detected in two undersea cables located in Estonia's exclusive economic zone near the Gulf of Finland. Finnish authorities detained a cargo vessel suspected to be involved in damaging these cables between Tallinn and Helsinki. The Estonian and Finnish governments coordinated closely in the investigation. Estonian Prime Minister Kaja Kallas noted that initial evidence does not link the vessel to Russia's known shadow fleet network. The incident raised concerns about critical infrastructure security in the Baltic Sea region, prompting high-level cooperation between Estonia and Finland. The ship was seized by Finnish police as the investigation continues.

Extended Summary: On the morning of December 31, 2025, faults were detected in two undersea cables located in Estonia's exclusive economic zone near the Gulf of Finland. Finnish authorities detained a cargo vessel suspected to be involved in damaging these cables between Tallinn and Helsinki. The Estonian and Finnish governments coordinated closely in the investigation. Estonian Prime Minister Kaja Kallas noted that initial evidence does not link the vessel to Russia's known shadow fleet network. The incident raised concerns about critical infrastructure security in the Baltic Sea region, prompting high-level cooperation between Estonia and Finland. The ship was seized by Finnish police as the investigation continues.

Description

Finland's police detained a cargo ship in the Gulf of Finland after two undersea communication cables located in Estonia’s exclusive economic zone were found damaged on the morning of December 31, 2025. The damage was identified by Estonian authorities who confirmed faults on two cables. Finnish officials arrested the ship suspected of involvement in the damage. Estonian Prime Minister Kaja Kallas stated the initial evidence suggests that the detained vessel is unlikely connected to Russia’s shadow fleet. The case highlights heightened tensions and security concerns over Baltic energy and communication infrastructure.

Event Classification

Aggressor Event

Rationale

The event involves a hostile activity of undersea cable damage, identified with a vessel detained by Finnish police, fitting the aggressor profile. The initial investigation and comments isolate possible Russian shadow fleet involvement but do not link it definitively, still the damage to critical infrastructure indicates direct hostile action. There is no mention of defensive measures or allied preparation in this incident.