Police are appealing for information after a 21-year-old woman was assaulted in Pine Avenue, Ollerton.
The woman was grabbed from behind and punched in the ribs at around 8.30pm on March 6.
The suspect is believed to have made off on foot. He is described as white, 5ft10ins, was wearing dark clothing and had stubble on his face.
Anyone with information should call 101, quoting incident number 854 of March 6, 2018.