Tunis, Safar 26, 1437, Dec 8, 2015, SPA -- Director General of Public Security Othman bin Nasser Al-Mehrej arrived here today to lead the Kingdom's delegation to 39th Conference of Arab Police and Security Leaders. At Tunis-Carthage International Airport, the Director General of Public Security was received by Tunisian Public Security Director Abdulrahman Al-Haj and a number of officials. --SPA 19:26 LOCAL TIME 16:26 GMT www.spa.gov.sa/w