The news came as a surprise and elicited international well-wishes. The King, who ascended to the throne after Queen Elizabeth II's passing in September 2022, has dealt with health issues aside from a previous benign prostate condition.

The Palace has offered limited details on the type and stage of cancer but reports that the King remains positive and is eager to resume his royal duties. He continues to manage state affairs during his recovery.

Prince Harry has conveyed his support and plans to visit his father in the coming days amid a wave of support that included messages from political figures like Prime Minister Rishi Sunak, President Joe Biden, Prime Minister Justin Trudeau, former President Donald Trump, and Prime Minister Anthony Albanese, all wishing the King a full and rapid recovery.

The King's illness coincides with the Princess of Wales, Catherine's, recent hospital stay for abdominal surgery and contributes to the current reduced visibility of senior royals. Nonetheless, the royal family projects a "business as usual" attitude, maintaining their public service commitments as they address these health challenges.