King Charles III reinforced the United Kingdom's longstanding alliance with the United States in a rare address to lawmakers during his first state visit as monarch alongside Queen Camilla.

King Charles hails the importance of alliances with the US in a "contested world", during his toast at a White House state dinner

King Charles III emphasized the importance of the U.S.-U.K. alliance as well as NATO in his historic address to a joint session of Congress on Tuesday afternoon, during his four-day state visit with Q...