Riyadh, Rajab 25, 1436, May 14, 2015, SPA -- Lieutenant-General Othman bin Nasser Al-Mahraj, the Director of Public Security, patronized here on Wednesday a graduation ceremony of a batch of cadets of Mohammed bin Naif Academy for Diplomatic Security. The ceremony was attended by a number of ambassadors, members of the diplomatic corps and military leaders. --SPA 02:05 LOCAL TIME 23:05 GMT www.spa.gov.sa/w