Officers have released a CCTV image of a man they would like to speak to in connection to an assault on Leopold Street in Sheffield City Centre.
At 2.35am on Saturday 17 November it is reported that two men were involved in an argument outside Cubana Tapas Bar in Leopold Square.
Shortly afterwards, the same two men were reported to have been involved in a fight on Leopold Street.
This resulted in one of the men being knocked unconscious, he has subsequently lost some vision in one of his eyes.
Officers have released a CCTV image of a man they think could hold information about what happened.
Do you recognise this man?
Did you see what happened on Leopold Street?
Were you in Leopold Square?
If you have any information about what happened, or can identify the man picture, our officers want to speak to you. Please call 101, quoting crime reference number 14/169871/18.