By bnm Tehran bureau Prince Rahim al-Hussaini has been named the new Aga Khan, becoming spiritual leader of 15mn Ismaili Muslims following the death of his father in Lisbon aged 88. The 53-year-old was appointed in his father's will unsealed on February 5 as the fifth Aga Khan and 50th imam of the Nizari Ismaili branch of Shia Islam,

He was widely regarded as a builder of bridges between Muslim societies and the West despite his reticence to become involved in politics.

At the age of 20, Prince Karim Al-Hussaini inherited the reins of a Shia Muslim lineage and used his entrepreneurship to become one of the world’s richest hereditary rulers.