The 22nd Arab Conference of Heads of Anti-Narcotics Departments started here today with participation of representatives from various Arab countries including Saudi Arabia whose delegation is led by Brigadier Awwadh Al-Jo'aid and the League of Arab States and Naif Arab University for Security Sciences. Dr. Mohammed Ali Koman, the Secretary General of the Council of the Arab Interior Ministers delivered a speech at the opening of the conference in which he expressed his appreciation to Prince Naif bin Abdulaziz, the Minister of Interior and Honorary President of the Council of Arab Interior Ministers, and to all Arab interior ministers for their support for the General Secretariat and for their efforts to strengthen joint Arab security work.