CREEK COUNTY -- Authorities say a Wave Runner and a Seadoo collided on Keystone Lake Sunday evening sending both operators into the lake and to a Tulsa hospital.
The Oklahoma Highway Patrol says the collision occurred about a half mile south of the state Highway 51 bridge in Creek County.
Troopers say a 2000 Yamaha Wave Runner operated by 31-year-old Brent Wood of Kellyville struck and then went over a Seadoo operated by 34-year-old Derrell Roberts of Mustang.
Woods is listed in serious condition and Roberts is listed in critical condition at a Tulsa hospital.
The OHP says the accident, which happened at about 8:13 p.m., remains under investigation.