King Charles III was briefly hospitalized Thursday amid ongoing medical treatment for cancer, according to Buckingham Palace.

King Charles III has waved to well-wishers in central London as he headed for his country estate in western England.

"However, today, two weeks before the coronation, 70 plus years on, it will say, for the first day, 'C III R,' Charles the third King. And so for us, this is huge. Emotional day, but a really good ...