The Oklahoma Highway Patrol said a man is in critical condition after a water-related incident in Pawnee County.
The incident happened just after 6:30 p.m. near the Lost Lake area of Keystone Lake.
Authorities said 53-year-old Craig Huntley of Sapulpa was injured multiple times while driving a watercraft.
OHP said he was transported to a Tulsa hospital in critical condition after suffering head and trunk injuries in the lake.
Authorities said it is not yet clear what led to and the cause of the boating collision.
This is a developing story.