Something fishy is taking place in the Red River and it has Oklahoma wildlife and environmental officials investigating.
KFDX 3 News has learned hundreds of fish are dying in the Red River.
It's happening from the Highway 81 bridge, which is south of Terral, Oklahoma to around I-35; a stretch of about 35 miles.
A member of the Oklahoma Department of Wildlife Conservation confirmed that large fish started turning up dead Monday and by Tuesday, dozens were littering the river banks.
However, that person has not said what's causing the fish kill.
We're also told a similar fish kill happened last year in the Red River around July 4th.
We are continuing to work on this story and we will bring you more information at it becomes available.