In just three months, three incidents of damage to Baltic Sea underwater cables have taken place. While accidential cable slices are common, the cluster raises suspicion.

Russia's state-controlled telecoms giant Rostelecom said Saturday that its underwater cable in the Baltic Sea had been damaged by an "external impact." Several undersea telecom and power cables have been severed in the Baltic Sea in recent months,

A Norwegian-owned, Russian-crewed ship that authorities initially suspected of involvement in damage to an underwater fiber optic cable connecting Latvia and the Swedish island of Gotland has been released.

Finnish coastguards said on Saturday they were monitoring repairs of a Russian underwater cable carried out by a Russian vessel in the Gulf of Finland. Several undersea telecom and power cables have been severed in the Baltic Sea in recent months,