Prince Mohammed bin Naif bin Abdulaziz, the Minister of Interior, patronized here Tuesday evening the graduation ceremony of officers enrolled in diploma programs at the Higher Institute for Security Studies of King Fahd Security College. The Prince was greeted upon his arrival at the venue by the College's Director General, Major General Dr. Fahd bin Ahmed al-Shaalan and a number of officers. In his speech, Major General Dr. Al-Shaalan expressed his thanks to and appreciation of the Minister of Interior for his patronage of the graduation ceremony.