A man is in custody following a traffic incident that occurred at Molendinar this morning.
Around 8.45am police were called to a traffic crash at Macquarie Avenue at Molendinar where a car was located down an embankment on its side.
A woman was trapped inside the vehicle.
A man allegedly assaulted the woman after the crash.
The man left the scene and stole a white Isuzu Dual Cab vehicle that was parked in the street.
Police located him a short time ago at Coomera.
The woman has been transported to hospital and is believed to have serious injuries.
Investigations are continuing.
Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.
Crime Stoppers is a registered charity and community volunteer organisation working in partnership with the Queensland Police Service.
For all non-urgent police reporting or general police inquiries contact Policelink on 131 444 or Policelink.qld.gov.au 24hrs a day.