Police are calling for witnesses to an accident on Sunday in which a 57-year-old woman died after being pulled out of a vehicle which crashed into the Tweed River near Tumbulgum on Sunday.
The woman, whose name has not been released, was seriously injured and died at the Gold Coast University Hospital just after 12.30am (NSW time) on Tuesday.
The accident happened just before 10pm on Sunday.
Police say the Mazda coupe she was in was being driven in an easterly direction along the Tweed Valley Way, Tumbulgum, when it left the roadway about half a kilometre east of Riverside Drive, crossed the northern shoulder and become airborne before crashing into the Tweed River and started to submerge.
The 51-year-old male driver was able to climb out of the open window and realised the 57-year-old female passenger was still in the vehicle.
The man returned to the car and was able to pull her out through the window and commenced CPR until emergency services arrived.
She was airlifted to the Gold Cost University Hospital in a serious condition.
Crash Investigation Unit officers yesterday inspected pulled the car out of the river and inspected the crash site.
Any witnesses to the accident who have not yet contacted police are urged to call Crime Stoppers on 1800 333 000.