Four people from Gravois Mills were injured in a one vehicle accident in Camden County Friday afternoon. The accident report states that 33 year old David Lagneau was traveling on Purvis Road at a high rate of speed, failed to negotiate a curve and ran off the road causing the vehicle to overturn. The Missouri State Highway Patrol reports all four occupants were not wearing seatbelts at the time of the crash. Lagneau and the front seat passenger 24 year old Ashley Woodard were air lifted to University Hospital in Columbia with serious injuries. The driver’s two sons 6 year old Drew Lagneau and 4 year old Mason Lagneau were air lifted to Lake Regional Hospital with moderate injuries.