Britain's King Charles went into London hospital on Friday to have planned treatment to address an enlarged prostate, Buckingham Palace said, APA reports.
"The king was this morning admitted to a London hospital for scheduled treatment," Buckingham Palace said in a statement.
"His majesty would like to thank all those who have sent their good wishes over the past week and is delighted to learn that his diagnosis is having a positive impact on public health awareness."
The palace has declined to say how long the king would stay in hospital but his upcoming public engagements have been postponed to allow a short period of recuperation.