(WBIR - Knoxville) Eight vehicles were involved in a crash on I-75 northbound near Emory Road Tuesday night, backing up traffic during rush hour.
KPD says witnesses reported a van was forced sideways then rolled onto the hood of another vehicle shortly before 6 p.m.
Officers say four people were taken to UT Medical by ambulance. They are all believe to have non-life threatening injuries.
The driver of the vehicle KPD says caused the original crash has been arrested for driving on a revoked license with no proof of insurance. Additional charges are pending.