People close to Kamel told The Associated Press he died at the Dr. Samir Abbas Hospital in the city of Jiddah, where he was taken after suffering a heart attack early on Tuesday.
Over the years, the business expanded to tens of thousands of employees and today includes subsidiaries and stakes in a range of businesses, such as the operation and maintenance of airports and roads, tourism, trade, trucking and transportation, telecommunications, media, agriculture, poultry and health care.
The fact that his funeral prayers are being permitted at the mosque, which is home to Islam's holiest site, reflects Kamel's prominence and stature in Saudi Arabia.
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