Detectives are appealing for witnesses to a reported assault in Rustington.
Officers were called to the incident involving two men behind Uncle Sams Hamburger Express in Worthing Road at 5pm on August 25.
One of the men is reported to have struck the other man to the head, leaving the victim with potentially life-changing injuries.
The victim, a 48-year-old man from Littlehampton, was taken to hospital and has since undergone surgery for serious injuries to his face.
Police arrested a 31-year-old man from Rustington on suspicion of assault. He has been released under investigation.
Detective Constable Molly O’Malley said: “This was a nasty incident where the victim suffered multiple facial fractures.
“We are keen to hear from anyone who witnessed what happened.
“Anyone with information should report online or call 101 and quoting serial 1119 of 25/08.”
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