Police are looking for a man who assaulted another man in Gouger Street, Adelaide earlier this afternoon.
Police received multiple calls from members of the public reporting a man who may have been carrying a knife in Gouger Street about 1.30pm on Friday 26 June.
A review of CCTV showed the man allegedly punch another man before leaving the area.
The victim has not approached police and no other injuries have been reported.
Police are searching the CBD but have not received any further sightings of the man.
Anyone who recognises the man, saw him in the vicinity of the Adelaide Central Market today or has any information that may help police to locate him is asked to contact the police assistance line immediately on 131 444.