AlHijjah 10, 1434, Oct 15, 2013, SPA -- Prince Muqrin bin Abdulaziz Al Saud, Second Deputy Premier, Advisor and Special Envoy of the Custodian of the Two Holy Mosques, has sent cables of congratulations to the leaders of Gulf Cooperation Council (GCC) States on the occasion of the blessed Eid Al-Adha. The Prince wished them many happy returns, and the Islamic nations steady progress and prosperity.