In London, Charles III appears in public for the first time after the announcement of his cancer. Prince Harry, at odds with the rest of the royal family for months according to the British media, arrived in London on Tuesday to visit his father.

The monarch assured that he was "very optimistic" about his treatment and added that he would continue to carry out "state affairs and administrative tasks" The illness plunges the monarchy back into uncertainty a year and a half after the considerable shock of the death of Elizabeth II.