The Commissioner of Police, Mr Tang King-shing (middle); Vice-Chairman and Chief Executive of Hang Seng Bank, Mr Raymond Or (left); and member of the Fight Crime Committee, Ms Sylvia Yau, officiated at the launching ceremony of the 'Hang Seng Bank - Help the Police Fight Youth Crime Competition' today (March 17). They called on members of the public to prevent and combat psychotropic drug abuse among young people.   Close