The Prince of Wales is showing support for UK troops guarding Nato's border with Russia, with a two-day visit to Estonia. Prince William will see soldiers training in the Baltic state as part of a multinational force intended to deter Russian aggression on Nato's eastern flank.

The historic visit emphasized William's role in international relations, and though much focused on military operations and Estonian-Ukrainian relations, the royal still got a few jokes in. “How’s it working with the Brits?

British forces are deployed to Estonia and Poland under Operation Cabrit, the UK's contribution to NATO's efforts to counter Russian aggression in the Baltic states.