At 6:40 pm the Auburn Fire Rescue Department responded to Hardscrabble Rd. in the area of Casella Waste for a reported accident involving dirt bikes. The first arriving units found the bikes and the riders lying in the roadway on Hardscrabble Rd.
Both riders were taken to UMASS Memorial Medical Center University Campus by Fire Rescue Ambulance, one with a serious head injury.
The accident is under investigation by both the Auburn Police and the Massachusetts Environmental Police.