TULSA, Oklahoma - The Oklahoma Highway Patrol blames the driver's medical condition for a truck wreck at Interstate 44 and 161st East Avenue Tuesday afternoon.

The OHP said the truck was heading west on the highway when it ran through the guard rail, crossed the off ramp and stopped in the ditch.

The wreck caused extensive damage to the truck. No other vehicles were involved.

The Highway Patrol said paramedics transported the driver and a passenger to the hospital, but didn't have details on their conditions or what kind of medical condition the driver suffered.