NSW Ambulance paramedics are responding to reports a man has allegedly been hit by a car in Maryland.
It's reported the incident took place at about 11:45am this morning on Minmi Road near Warkworth Street.
The man struck is said to be in his 50s, and has sustained a serious head injury, becoming unconscious after he was hit.
It's reported his colleagues provided first aid before ambulance crews arrived.
He's been taken to John Hunter Hospital in a serious condition.