Estonia

In the event of a war, one expert suggests the British Army could be incapable of fighting effectively on land within weeks, once committed - though 'much depends on the form of the conflict'.

Russia denies jets entered Estonian airspace in the same month as its drones violated the airspace of two other Nato members.

The island hosted the Small Posts and Islands Postal Forum for the first time.

The Prince of Wales has visited troops at a strategically important army base on Russia's border

Prince William joins a training exercise by soldiers in Estonia guarding Nato's eastern border with Russia.

The Prince of Wales is showing support for UK troops in a Nato operation to defend the Baltic states.

The countries on Nato's eastern flank are preparing for the possibility of being targeted by Russia