Thousands of fish have died in a lake in Cheltenham in what the Environment Agency has described as a mass suffocation.
Pittville Lake is part of the town's largest ornamental park.
People are now being warned to stay away from the water.
Katie Rowlett reports:
More top news
George Ford booted 24 points as Bath kept the pressure on Northampton at the top of the Premiership with a 39-16 win at rivals Gloucester.
West Country neighbours meet for first time this season at Kingsholm in Premiership.
The funeral of a mother and newborn baby found dead after going missing from a maternity hospital took place today.