Egypt's President Abdel-Fattah El-Sisi announced Saturday three days of mourning in the country over the death of Oman's Sultan Qaboos bin Said, the Egyptian presidency announced. Sultan Qaboos bin Said passed away late Friday at age of 79 after nearly 50 years in ruling. Oman announced Saturday culture minister Haitham bin Tariq Al Said as the new ruler of the Gulf Arab country, ending speculation over the mystery of who would succeed longtime ruler Sultan Qaboos