Prince Dr. Bandar bin Salman bin Mohammed Al Saud, Advisor to the Custodian of the Two Holy Mosques and Chairman of Call Committee in Africa and the guests of the Committee's forum will pay a visit to Umm Al-Qura University here on Saturday. A speech ceremony will be held on this occasion at the Faculty of Medicine and Medical Sciences. Speakers will deliver speeches including a lecture to be given by Dr. Khalid bin Ali Al-Ghamdi.