Oklahoma Highway Patrol Troopers have shut down all lanes of SH3E at the Stonewall bridge just west of County Road 3640 near Stonewall.
At least one fatality has been reported. No identities have been released at this time.
Sources at the scene report a pickup is upside down. The pickup was pulling a horse trailer with three horses. There is no word on the condition of the horses. One person is confirmed deceased, another person is injured.
This is a developing story. The Ada News will provide more information as it becomes available.