Emergency services had to free a teenager from a car on Wednesday, after the 17-year-old boy lost control of the vehicle and it rolled on Seaham Road.  Paramedics were called to the intersection of Seaham Road and Hinton Road, in Nelsons Plains, at 4.50pm on Wednesday afternoon.   They found a boy trapped in a car bleeding from his head. He had further injuries to his neck and shoulders.    “He was conscious and breathing in a stable condition,” a spokesman from NSW Ambulance said.  “The patient lost control on the corner of road and rolled his car. “There was major damage to the vehicle.” Crash rescue crews from Port Stephens SES assisted in freeing the young man from the car.  He was taken to John Hunter Hospital by paramedics in a stable condition.