Wollongong Police have issued a call for assistance into an assault investigation.
Police said the assault took place in the Wollongong CBD.
Investigators have released a CCTV image (above) of a man they believe might be able to shed some light on the incident.
Any information can be provided by calling Wollongong Police on 42267899 or Crime Stoppers on 1800 333 000.
Image: Wollongong Police District