King Charles is said to be deeply saddened by the death of The Aga Khan, which was announced on Tuesday. The Aga Khan died in Lisbon, Portugal surrounded by his family. The monarch was a personal friend of the spiritual leader for many years.

Hussaini, the Aga Khan IV, and has been in touch with his family. The Aga Khan is the spiritual leader of the world's

King Charles is “deeply saddened” over the death of spiritual leader Prince Karim Aga Khan, who was “a personal friend of many years”, a royal source has said.