MARION, Ohio (WTVN) -- The Ohio State Highway Patrol says three people were killed in a crash in Marion Monday afternoon.

Witnesses describe seeing a fireball when six cars were involved in a crash on Delaware Ave near Smith Clinic.

Troopers said a car driven by Larry Dennison, Jr., 43, of Marion, sideswiped another vehicle on Delaware Ave. Dennison kept driving south and struck three more vehicles.

One of the vehicles, driven by Johanna Sisson, 45, of Marion, burst into flames. Three people inside were trapped and unable to escape. They've been identified as Edwin Sisson, 50, and Amanda Sisson, 27, both of Marion.

A total of 11 people were taken to Marion General Hospital with non-life threatening injuries from the crash.