Washington, April 29 -- : King Charles III used a landmark address to the United States Congress to caution against rising isolationism and underscore the enduring importance of NATO and transatlantic unity, during his first state visit as monarch alongside Queen Camilla.

Speaking at a joint session of Congress at the U.S. Capitol, the King described the UK-US relationship as a historic alliance built on shared democratic values, saying both nations remain "united in our commitment to uphold democracy, to protect all our people from harm, and to salute the courage of those who daily risk their lives in the service of our countries.""I would like to take this opportunity to express my particular gratitude to you all for the great honour of ...