Crown Prince Mohammed bin Naif bin Abdulaziz, Deputy Prime Minister and Minister of Interior, performed in Medinah today the funeral prayer on the soul of martyred security men who were killed in a terrorist attack near the Prophet's Mosque in Medinah.  The funeral prayer also was performed by Imam of the Prophet's Mosque Sheikh Dr. Ali bin Abdulrahman Al-Hudhaifi; and Medinah Governor Prince Faisal bin Salman bin Abdulaziz.