Under the patronage of Crown Prince Naif bin Abdulaziz Al Saud, Deputy Premier and Minister of Interior, and on behalf of Prince Mohammed bin Naif bin Abdulaziz, Assistant Minister of Interior for Security Affairs, the Director General of Public Security General Saeed bin Abdullah Al-Qahtani inaugurated here last night the symposium of "Security is the Responsibility of All People" in its fourth session held this year under the title "Administration and Organization of Crowds". In a press statement following the inauguration ceremony, General Al-Qahtani expressed his appreciation of the Crown Prince for patronizing the Symposium and for his continuing support to the requirements of security plans. The Symposium resumed its activities today by discussing working papers on " Roles of Security in Administration of Crowds".