Police are trying to determine who was driving an SUV that crashed into a cliff Thursday night filled with five passengers, including three children.The occupants of the Ford Explorer emerged from the crash without serious injury, however, those involved in the wreck were sketchy about who was driving.The wreck happened around 8 p.m. Thursday night when the SUV failed to navigate a turn from S. Chancery Street onto Rivercliff just past Frank G. Clement Bridge. The SUV slammed into the cliff facing, knocking it onto its side.When police arrived and started asking questions, the occupants maintained the man who was driving ran from the scene before police arrived. The passengers gave only a nickname for the driver.