Criminal investigation into dead fish

Dead fish
Some dead fish in Doe Park reservoir last month Credit: Calendar News

A criminal investigation's been launched by the Environment Agency after a pollutant which killed thousands of fish in West Yorkshire was identified. Around 2,500 dead roach, bream and perch were found in Doe Park reservoir in Denholme last month.

The Environment Agency are not naming the substance, but have issued a warning to residents and businesses to dispose of chemicals carefully, and not to pour them down drains.