Riyadh, Rajab 5, 1437, Apr 12, 2016, SPA -- Vice Custodian of the Two Holy Mosques Prince Mohammed bin Naif bin Abdulaziz, will patronize here on Wednesday, the graduation ceremony of as many as 4483 cadets of upgrading courses, at the Public Security Headquarters. The cadets represent a number of cities, from the regions of Riyadh, the Eastern, Assir and Qassim. -- SPA 21:08 LOCAL TIME 18:08 GMT www.spa.gov.sa/w