New life of grime for ex-police dog Hector

A nine-stone former police dog has swapped a life of catching criminals to one of sniffing out drains blocked with fat, oil and grease.

Hector the bloodhound is being trained to detect blockages on Southern Water's 25,000-mile (40,000km) network of sewers.

The company, which serves Kent, Sussex, Hampshire and the Isle of Wight, will use the dog to sniff out problem areas through air gaps at ground level.

BBC South East Today's Piers Hopkirk spoke to his owner and ex-police dog handler Steve Williams, who is now known as a "fat detective".