The late Prince Karim Al-Hussaini Aga Khan IV, who died on Tuesday in Lisbon after nearly seven decades as the spiritual leader of the global Ismaili Muslim community, will be buried in Egypt on Sunday,

The Aga Khan, who assumed the role of spiritual leader for millions of Ismaili Muslims at age 20 while an undergraduate at Harvard, has died at age 88. He dedicated vast resources, amassed from millions of dollars in tithes,

Prime Minister Shehbaz Sharif spoke with Prince Rahim Aga Khan on Thursday and condoled with him on the sad demise of his father Prince Karim Aga Khan, as the government declared Saturday (tomorrow) as "day of national mourning" in the country.