Par Beach bathers warned after pollutant kills fish
People have been told to stay out of the sea at a beach after a pollutant killed a "significant number" of fish.
About 70 brown trout have died in a four-mile (7km) stretch of the River Par in Cornwall, between Luxulyan and Par Beach, the Environment Agency said.
While it tries to find the source of the pollution, Cornwall Council has advised people not to enter the water.
The authority said bathing water could be affected and the warning could remain in force for several days.
It added the incident was not believed to be associated with the sewage treatment works.
The Environment Agency said officers had found a "significant number of dead fish" in the river.