DETECTIVES from the Major Collision Investigation Unit are investigating a collision in Frankston, Thursday 13 July.
A Kia Rio sedan travelling east on Cranbourne Rd, 9.40pm, was crossing Moorooduc Highway when it ran head-on into a pole. Its passenger, a 16-year-old girl, of Mt Eliza, was taken to hospital with life threatening injuries. She died on 29 July without gaining consciousness.
The 18-year-old woman driver, of Safety Beach, was also taken to hospital with serious injuries. No one else was injured.
Anyone who saw the crash is urged to contact Crime Stoppers 1800 333 000 or submit a confidential crime report at crimestoppersvic.com.au online.