A number of government departments in Hong Kong have set up working dog units to assist their staff in performing various duties such as quarantine inspection, narcotics interdiction, investigation and patrol, contributing notably to the maintenance of law and order and the safeguarding of public safety.

Hongkong Post has issued a set of six special stamps to portray the working dogs from six government departments on duty with their handlers, giving a snapshot of the work done by the working dog units.

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