Man used detergent to kill neighbour’s fish after pond noise drove him ‘completely insane’

Sam Corbishley | Senior News Reporter Published August 4, 2026 12:23pm Updated August 4, 2026 12:23pm Gerry Duffy leaving Willesden Magistrates Court where he admitted using motor oil and detergent to kill his neighbour’s Koi carp and destroy a water pump (Picture: PA) A pensioner used motor oil and detergent to kill h

Gerry Duffy, 76, said he killed his neighbour’s carp after the sound of the pond’s pump caused him ‘lack of sleep’

An environmental officer came to the house and told Duffy he either had to ‘move or close his window’

Gerry Duffy, 76, pleaded guilty at Willesden Magistrates' Court to killing five or six koi carp with motor oil and detergent, after being driven to distraction by the noise of his neighbour's pump