Sweden will increase its military presence in the Baltic Sea through the deployment of three warships and a radar reconnaissance aircraft in response to the suspected sabotage of several underwater cables,

Estonian naval ships are taking part in stepped-up patrols in the Baltic Sea by NATO countries after undersea power and communications cables have been damaged in recent months.

Finnish police said on Tuesday they had recovered a lost anchor from the seabed as part of an investigation of suspected sabotage against power and internet cables in the Baltic Sea.