Finland, a new NATO member, has identified China as a "challenge" for the first time in its Defence Report, signaling a growing strategic focus on the Indo-Pacific.

NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

Several incidents of damage to telecom and electricity cables and gas pipelines in the Baltic Sea over the past ... This means that it's the ship's flag, meaning where it is officially registered ...

The Prince of Wales is showing support for UK troops guarding Nato's border with Russia, with a two-day visit to Estonia.