A man was critically injured early Saturday morning in a single-vehicle accident in North Lawrence, according to Journal-World news partner Operation 100. Police and Lawrence-Douglas County Fire Medical crews responded to the crash about 4:30 a.m. in the 1000 block of North Third Street and reported it appeared the vehicle had left the road and struck a tree nearly head-on. They found the driver, a man, pinned inside the vehicle and removed him.

The driver was taken by ambulance to Lawrence Municipal Airport, where a LifeStar helicopter transported him to a Kansas City-area hospital. Reports from the scene indicated the passenger did not appear to have life-threatening injuries and was able to walk away from the accident.

Other details of the the accident were not available Saturday morning, as police continued to investigate.