Barry the sniffer dog
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New life in sniffer unit for Hong Kong's stray dogs

30 July 2013 Last updated at 19:44 BST

The Hong Kong Police Force has been training former homeless dogs to detect drugs as part of its sniffer dog unit.

One of the former strays, Barry, has successfully carried out 150 detection missions in the last three years alone.

Roopa Suchak reports.