Prince Karim Al-Hussaini, Aga Khan IV, the spiritual leader of the Ismaili sect of Shia Muslims and one of the world's leading Thoroughbred owners and breeders, died Tuesday in Lisbon, Portugal.

The proposal to rename Olbia Airport is still under review, and no specific date for its final approval has been set. If approved, the change will serve as a lasting symbol of Aga Khan IV’s impact on ...