Estonia has ramped up its defensive measures in the Baltic Sea following allegations of Russian sabotage targeting critical undersea infrastructure. In response to the suspected damage to the Estlink 2 power cable,

STORY: The seized oil tanker accused of sabotaging an undersea power cable and four internet cables now sits off Finland's coast.Finnish investigators said the ship that has been linked to Russia may have caused damage to the cables by dragging its anchor along the seabed,

NATO has said it will enhance its military presence in the Baltic Sea after undersea power and internet cables were cut between Estonia and Finland. The bloc's secretary general Mark Rutte said he had spoken to Finland's President Alexander Stubb about the "possible sabotage", adding: "NATO will enhance its military presence in the Baltic Sea".