United Kingdom, March 27 -- King Charles spent time in hospital on Thursday (27.03.25) after experiencing "temporary side effects" during his cancer treatment.

The 76-year-old monarch has now returned to Clarence House, but he's cancelled a tour of Birmingham on Friday after taking advice from his doctors.

Buckingham Palace said in a statement: "Following scheduled and ongoing medical treatment for cancer this morning, The King experienced temporary side effects that required a short period of observation in hospital. His Majesty's afternoon engagements were therefore postponed.

"His Majesty has now returned to Clarence House and as a precautionary measure, acting on medical advice, tomorrow's diary programme will also be rescheduled....