Chopper 7 was over the crash scene on Dixie Highway near County Line Road in Beecher, Illinois.
Illinois State Police said three vehicles were involved in a crash around 3:13 p.m., including two passenger vehicles and a semi-truck.
One person died due to the crash, ISP said. Their age, gender and identity were not yet known.
State police said the driver ran a stop sign, and their vehicle was hit by a semi truck. The vehicle then caught fire.
The truck driver was not hurt.
No further information was available.