Police confirmed the fatalities after they were called to a single-vehicle crash at Buxton, about 40 kilometres north-west of Wollongong, about 8pm.
A spokesperson said one person survived the East Parade crash. There was no information about the survivor’s condition.
A medical team was flown in by helicopter to treat the victims, firefighters said.
Fire and Rescue NSW said there were “numerous casualties”.
More to come.
