Police are seeking witnesses to an incident in a Crawley medical centre car park.
At about 12.40pm on Friday (March 22) a man and a woman in a parked green Vauxhall Corsa were seen to be involved in a dispute with each other in the car park of the Ifield Medical Centre, Lady Margarets Road, Ifield, Crawley.
The 32-year old local woman then got out of the car and the man drove off.
A 22-year old local man was arrested nearby on suspicion of assault by beating and after being interviewed was released on police bail until 17 April while enquiries continue.
Anyone who saw the incident is asked to call Sussex Police on 101, quoting serial 0598 of 22/3. You can also call independent charity Crimestoppers anonymously on 0800 555 111.