Prince Naif bin Abdulaziz, Second Deputy Premier and Minister of Interior, who is also Chairman of Supreme Commission of Prince Naif Award for Prophet's Sunnah and Contemporary Islamic Studies, left Riyadh today, heading to Madinah to honor the winners of Prince Naif bin Abdulaziz Al Saud Competition for Memorization of Hadeeth (prophet's sayings) at its 4th session. At Riyadh Airport Base, Prince Naif was seen off by a number of princes and high-ranking officials.