The Secretary for Justice, Mr Wong Yan Lung, SC (centre); the Secretary for Security, Mr Ambrose S K Lee (second from right); the Commissioner for Narcotics, Ms Sally Wong (second from left); the Chairman of the Action Committee Against Narcotics (ACAN), Professor Daniel Shek Tan-lei (first from right); and the Chairman of the ACAN Sub-committee on Preventive Education and Publicity, Ms Scarlett Pong Oi-lan (first from left), together with all the attendees, pledge to fight drug abuse.   Close