NATO countries sharing the strategically important Baltic Sea with Russia have boosted their presence there and are beefing up their navies.

Slovak Prime Minister Robert Fico traveled to Moscow despite the Baltic countries' ban on allowing his plane to pass through.

Finland has announced its support for the EU’s new action plan aimed at improving the security and resilience of submarine cables, citing the strategic importance of the Baltic Sea.

Estonian authorities detained and boarded a ship in the Baltic Sea that belongs to Russia’s shadow fleet ... and have even mulled sinking them. Estonia’s parliament approved a new law Wednesday ...