A man was knocked unconscious and suffered a broken cheekbone after being attacked outside a Redruth nighclub on Saturday.
Police are appealing for witnesses after the 37-year-old was assaulted between 2am and 2.45am on July 13, "within the grounds of the Zone nightclub".
A police spokesman said: "The 37-year-old victim from Redruth was punched in the side of his face by a man. He was knocked unconscious and suffered a broken cheekbone.
"Anyone who witnessed the assault or has any information is asked to call DC 54 Daddow at Camborne CID on 01209 611248 quoting reference AC/13/2747."