NATO announces a new mission to protect undersea cables in the Baltic Sea region / Nato to deploy two ships to guard Baltic Sea infrastructure / NATO to step up Baltic Sea patrols after Finland-Estonia power cable damage / Nato to boost Baltic Sea presence after cable damage / EU to impose new sanctions on 'Russian shadow fleet' over Baltic Sea incident / Russia expands Baltic ports as it eyes new grain markets / 'Confusion is an element of hybrid influence'. Russia publishes -- then denies -- plans to unilaterally change Baltic Sea border