FANNIN COUNTY, Texas (KTEN) — A chain reaction accident near Trenton, Texas, on Monday night left at least one person dead and seven others injured.

Trenton police said the accident — which involved seven vehicles — happened shortly before 10 p.m. on State Highway 121 about two miles south of the town.

Police said one person was pronounced dead at the scene and another was airlifted to a hospital for treatment. The other six motorists were taken by ambulance to area hospitals for treatment of non-life threatening injuries.

An investigation into what caused the fatal crash is underway.