Britain's King Charles III is driven by car from Clarence House, his London home, along The Mall towards Buckingham Palace in London, Friday, March 28, 2025. (Yui Mok/PA via AP)Britain's King Charles III is driven by car from Clarence House, his London home, along The Mall towards Buckingham Palace in London, Friday, March 28, 2025. (Yui Mok/PA via AP)A man takes a picture of Buckingham Palace in London, Friday, March 28, 2025, after the Palace said King Charles III was hospitalized for observation on Thursday, experiencing "temporary side effects,'' related to a scheduled cancer treatment. (AP Photo/Kirsty Wigglesworth)Britain's King Charles III is driven by car from Clarence House, his London home, along The Mall towards Buckingham Palace in London, Friday, March 28, 2025. (Ben Whitley/PA via AP)Tourists stand in the rain at Buckingham Palace in London, Friday, March 28, 2025, after the Palace said King Charles III was hospitalized for observation on Thursday, experiencing "temporary side effects,'' related to a scheduled cancer treatment. (AP Photo/Kirsty Wigglesworth)Mounted soldiers during the Changing of the Guard ceremony in London, Friday, March 28, 2025 after Buckingham Palace says King Charles III was hospitalized for observation on Thursday after experiencing "temporary side effects,'' related to a scheduled cancer treatment. (AP Photo/Kirsty Wigglesworth)Tourists stand at the entrance to Clarence House that serves as the London residence of King Charles III and Queen Camilla, in London, Friday, March 28, 2025 after Buckingham Palace says King Charles III was hospitalized for observation on Thursday after experiencing "temporary side effects,'' related to a scheduled cancer treatment. (AP Photo/Kin Cheung)Members of the Household Cavalry march into the entrance to Clarence House in London, Friday, March 28, 2025, after Buckingham Palace said King Charles III was hospitalized for observation on Thursday, experiencing "temporary side effects,'' related to a scheduled cancer treatment. (AP Photo/Kirsty Wigglesworth)Media reports live from Buckingham Palace in London, Friday, March 28, 2025, after the Palace said King Charles III was hospitalized for observation on Thursday, experiencing "temporary side effects,'' related to a scheduled cancer treatment. (AP Photo/Kirsty Wigglesworth)
Britain's King Charles III is driven by car from Clarence House, his London home, along The Mall towards Buckingham Palace in London, Friday, March 28, 2025. (Yui Mok/PA via AP)