Police are appealing for witnesses to an unprovoked attack on a man at Widewater Lagoon, near Shoreham.
The 30-year-old victim was using the footpath / cycle path when he was assaulted by a man and a woman at around 8pm on 29 June.
He sustained a fractured eye socket and was taken to hospital for treatment; he has since been discharged.
The male suspect is described as white, aged in his mid-to-late 30s, about 6’, of stocky build, with short black hair. He was wearing three-quarter-length shorts and no top.
The female suspect is described as white, aged in her mid-to-late 30s, about 5’8”, of stocky build, with black shoulder length hair in a pony tail. She wore a black cardigan and black shorts, and had a pink handbag.
Anyone with any information about the assault is urged to report it online or call 101, quoting crime reference 47230122745.