A car travelling the wrong way in a one-way street in Worthing collided with three pedestrians.
The three were walking in Upper High Street at 1.38am on Saturday (June 23) when they were struck by a dark coloured car, which stopped briefly before driving off.
One of the pedestrians, a 38-year-old woman from Worthing, suffered potentially serious chest injuries and was taken to the Royal Sussex County Hospital in Brighton.
However, she was released a few hours later.
A 38-year-old man from Worthing was taken to the RSCH for treatment to bruising to a hand and leg.
Another man was uninjured.
It is believed that the driver of the car was man in his 50s and he was accompanied by another man, aged 60-70, who had a fold-up metal walking stick.
Anyone who witnessed the incident, saw the vehicle in the area or has any information about it is asked to call Sussex Police on 101 quoting serial 147 of 23/06. Alternatively, call the independent charity Crimestoppers anonymously on 0800 555 111.