Harry is in town from California to visit his father following the news that he's been diagnosed with cancer.
It is unknown whether the estranged brothers will reunite while Harry is in the United Kingdom.
Buckingham Palace shared in a statement that King Charles has been diagnosed with cancer.
The Princess of Wales was recently hospitalized for planned abdominal surgery.
The Prince of Wales is not expected to return to royal engagements immediately.
A source tells ET that King Charles is 'doing fine' after he was recently admitted to a London clinic for a prostate procedure.
Prince William drove himself to the hospital to support wife Kate after she underwent abdominal surgery.
The mother of three is recovering after undergoing abdominal surgery.
The Prince of Wales has already canceled several of his events to be by his wife's side.
Royal expert Katie Nicholl talks with ET about Kate Middleton’s hospitalization and King Charles’ prostate condition.
Kensington Palace announced that Kate Middleton is recovering from abdominal surgery on Wednesday.
2023 was a big year for the youngest royals! ET breaks down Prince George, Princess Charlotte and Prince Louis' best moments.
Prince William and Kate Middleton celebrated Christmas with a new picture of their three kids.
The royal is known as something other than the Prince of Wales to his pals.