A former police dog will be swapping a life of crime for a life of grime, after being picked to detect sewer blocking ‘fat bergs’. Hector, a nine-stone bloodhound, has been trained to detect fatty blockages on Southern Water’s 25,000 mile sewer network by sniffing air gaps present at ground level.
Fighting the fatbergs: how cities are waging war on clogged sewers
Fatbergs are the scourge of cities all over the world, and can grow to the length of a Boeing 747. Ian Wylie braves a London sewer to witness this filthy threat for himself – and uncovers some new ideas for defeating them.