The Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz left here this afternoon for Qatar at the head of the Saudi delegation participating in 28th summit of the Arab Gulf Cooperation Council (GCC), which starts its deliberations later today in Doha. The King was seen off at Riyadh Air Base airport by Crown Prince Sultan bin Abdulaziz, Deputy Premier, Minister of Defense and Aviation and Inspector General; Prince Fahd bin Mohamed bin Abdulaziz; Prince Fahd bin Mishari bin Jalawi; Prince Salman bin Abdulaziz, The Governor of Riyadh Region and other princes as well as some Ministers and senior Civil and Military high-ranking officials.