Prince Mohammed bin Naif bin Abdulaziz, Minister of Interior, patronized the graduation ceremony of courses of Special Emergency Forces, the inauguration of Specialized Training Center, and Security Exhibition at the Public Security Training City in Riyadh Saturday evening. In his speech, the Director of Public Security, General Saeed bin Abdullah Al-Qahtani, expressed his thanks to and appreciation of the Prince for patronizing the ceremony and for his support for Special Emergency Forces.