The unprovoked attack on a man happened in the Donegall Park Avenue area of North Belfast on Saturday evening, October 14..
Detective Constable Whyte said “Shortly before 10:00 pm it was reported that a man was attacked from behind and received injuries to the head, face and arms resulting in him being hospitalised.
“Soon after the victim was assaulted it is believed that a large crowd of males were seen running off in the direction of Downview Gardens.
“I would ask that anyone with information contact 101 quoting reference 1758 of 14/10/2017.
“Or if they wish to remain anonymous Crimestoppers on 0800 555 111.”