The Colorado State Patrol is investigating a fatal dirt bike crash that killed a teenager outside Ellicott on Wednesday evening.

According to police, troopers responded to a call around 5 p.m. on December 24 about a crash near the intersection of South Ellicott Highway and Jayhawk Avenue. The crash involved a 15-year-old male and a 21-year-old male, both riding dirt bikes.

State troopers said they attempted life-saving measures on both parties when they arrived, but the 15-year-old was pronounced dead at the scene. The other male was taken to a hospital by helicopter.

Police have not released the names of either person involved and are still looking into the cause of the accident.