A multi-vehicle accident seriously injures at least one person in Prescott Valley Monday night. Police responded to the accident at around 7:30 p.m. at the intersection of State Route 69 and Enterprise Parkway. A car entering the intersection from Enterprise, struck a minivan and a half-ton pickup traveling westbound on Highway 69. The driver of the car was unresponsive and had to be extricated from the vehicle. The driver was flown to a Phoenix area hospital and remains in critical condition. The cause of the accident is under investigation.