Finland warns Russia may plan new sabotage of Baltic undersea cables

22 January, 06:43 PM
Europe
The detention of the Fitburg vessel, suspected of damaging an undersea cable in the Gulf of Finland, on Dec. 31, 2025. (Photo: Finnish Police/Handout via REUTERS)

The detention of the Fitburg vessel, suspected of damaging an undersea cable in the Gulf of Finland, on Dec. 31, 2025. (Photo: Finnish Police/Handout via REUTERS)

Author: Alex Stezhensky

Russia continues to pose a threat to critical undersea infrastructure in the Baltic Sea, Finland’s military intelligence service warned, according to a Reuters report published on Jan. 22.

In an interview with the outlet, Maj. Gen. Pekka Turunen, head of Finnish military intelligence, said Russia “clearly has the capability to destroy underwater infrastructure if it wants to.” Still, he noted, investigators have found no “compelling evidence” proving that “Russia or another state actor” was behind recent incidents.

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Turunen acknowledged, however, that the number of such incidents in the Baltic has risen significantly since 2023.

Russia has denied any involvement and claimed its naval exercises last year were aimed at defending against potential undersea sabotage.

Finland’s Defense Ministry also reported an uptick in suspicious security-related activity on land involving military personnel and exercises. According to Turunen, these incidents included “drones and some individuals” near military facilities and training sites, though he declined to elaborate.

On Dec. 31, an undersea telecommunications cable between Finland and Estonia was discovered damaged in the Baltic Sea. Finnish border guards detained the cargo ship Fitburg, which was suspected of being involved.

Estonia also reported damage to four communications cables linking it with other countries, as well as to a separate cable connecting the island of Hiiumaa to the mainland.

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