(Springfield, IL)

  A man has died after a horrific crash in Springfield's southeast side.

  66 year old Ralph Nitz died Thursday morning after a multiple-car wreck at 6th and Stevenson. He was pronounced dead just before 8:30 AM at St. John's Hospital.

  An autopsy was performed and the results indicate Nitz died after suffering a "medical condition" that caused him to lose control of his vehicle.

 Nitz was the principal of the Lutheran High School.

 Springfield Police are investigating the accident.