Two people have died in a road crash near Proserpine in North Queensland.
Police say a four-year-old boy and a 50-year-old woman were killed when the car they were in ran off the Bruce Highway and crashed into a creek about 30 kilometres north of Proserpine.
The car ended up on its roof in Greta Creek.
A 40-year-old man and an 18-year-old woman survived and are being treated at Proserpine Hospital.
Police say the occupants were from central and north Queensland, and another was from interstate.
The forensic crash unit is investigating and a report is being prepared for the coroner.