The Prince of Wales met Estonia's president Alar Karis when he began a two-day visit to the Baltic state.The two men will sit down for talks in the capital Tallinn at the start of William's trip, made predominantly in his role as Colonel-in-Chief of the Mercian Regiment which is taking over Nato defence duties in the country from the Royal Dragoon Guards.Estonia is on Nato's front line with Russia, with British troops working with allies to provide a deterrent to aggression in the region.

The Prince of Wales met Estonia's president Alar Karis when he began a two-day visit to the Baltic state.The two men will sit down for talks in the capital Tallinn at the start of William's trip, made predominantly in his role as Colonel-in-Chief of the Mercian Regiment which is taking over Nato defence duties in the country from the Royal Dragoon Guards.Estonia is on Nato's front line with Russia, with British troops working with allies to provide a deterrent to aggression in the region.