Attended by delegates representing Anti-drug Agencies in the Arab countries including the Kingdom of Saudi Arabia, the 23rd Arab Conference on Drug Control, organized by the Jordanian Public Security Directorate in cooperation with the Secretariat of the Council of Arab Interior Ministers, concluded its activities here this evening. In a statement issued by conference organizers today, the participants recommended the need to modernize the Arab strategy to combat the illicit use of narcotic drugs and psychotropic substances.