A young woman was knocked unconscious and rushed to hospital in a hit-and-run in Ipswich last night.

The collision took place in Fore Hamlet and is believed to have involved a red Audi A3, police said.

The female pedestrian, in her 20s, was initially knocked unconscious and taken to Ipswich Hospital for treatment after the fail-to-stop collision at around 7pm. She sustained swelling and bruising.

Police are investigating to find the vehicle involved, which may have sustained damage as a result of the collision.

Officers are keen to speak to anyone who may have seen the crash and anyone who may have information about the vehicle or driver involved.

If you can help, call police on 101, and quoting CAD number 364 of September 20.