Police are appealing for witnesses to the reported assault of a vulnerable man in the Buchanan Road area of Sheffield last month.
At around 9.30pm on Thursday 10 January, it is reported that a 26-year-old man and his mother left the Chaucer Road Asda supermarket and were followed by a group of youths.
The group reportedly shouted abusive language at the pair, following them to Buchanan Road.
The group are then understood to have assaulted the 26-year-old man, with one boy punching the man in the face causing serious injuries.
The boy is believed to be around 15-years-old.
Officers are keen to hear from anyone who may have witnessed the group in the local area that evening, or who witnessed the assault.
Please call 101 quoting crime number 14/14928/19. You can also call Crimestoppers anonymously on 0800 555 111.