Hundreds of fish have been found dead in the Six Mile Water river in County Antrim.
Billy Robinson from Ballynure Angling Club walked a few miles alongside the river on Sunday afternoon.
He said he saw dead fish from Doagh bridge right up towards Ballyclare.
"There are quite a few dead trout, from small fish, up to fish weighing three quarters of a pound to a pound in weight, so it seems to be a total fish kill," he said.
"I'm looking over the bridge at the moment and there must be around 30 or 40 fish dead in the space of a few yards."