A THUG attacked a man and broke his leg before apologising and claiming he did it for a bet.
Police are now hunting the attacker following the incident at 2am on Saturday, December 22.
The 36-year-old victim was walking from Hallgate to Wood Street in the town centre, when three unknown men approached him.
One of the unknown men punched the 36-year-old man in the face, which caused him to fall to the ground, breaking his leg.
It is believed that the suspect then apologised to the 36-year-old and claimed that he did it for a bet.
The suspect is described as a white male in his early 20s. He is medium build with light brown, short messy hair. He was wearing a red short-sleeved t-shirt.
If you have any information please call South Yorkshire Police on 101 quoting incident number 921 of the December 22 or call Crimestoppers on 0800 555 111.