RoA President Serzh Sargsyan today visited the Embassy of the United Kingdom and offered his congratulations on the birthday of Queen Elizabeth II. The royal birthday is commemorated as "National Day of the United Kingdom of Great Britain and Northern Ireland". President Sargsyan congratulated the staff of the embassy and joined them in a light repast. During the conversation, the guests discussed the perspectives of development of the Armenian-British relations and emphasized the necessity of intensifying the cooperation in the field of economy. They also discussed a number of regional issues.