The Aga Khan IV, the spiritual leader of the world’s Shi’ite Ismaili Muslims, has died at the age of 88. The wealthy imam, who promoted a moderate form of Islam, has also been known for his multimillion-dollar development projects that have benefited communities throughout Asia and Africa.

His Highness Prince Karim Aga Khan IV, who has died aged 88, combined his role as 49th Imam and spiritual leader of 12-15 million Ismailis – a mystical sect of Shia Islam – in more than 25 countries around the world,