Police Are appealing for a man who was attacked with two others outside Tastebuds takeaway on School Road in Sale.
At around 2.30am on June 10, three men were outside the takeaway when a man came up to them, he then punched all three knocking them out, the offender then fled towards the Bridgewater Canal.
The first victim, a man aged 34 sustained a cut to his lip, the second man who is aged 33 was taken to hospital with serious head injuries, but he has now been released.
Police though are keen to trace the third man attacked and are appealing him, and any witnesses to come forward.
A 23-year-old man has been arrested on suspicion of grievous bodily harm, he has since been released while the investigation continues.
Detective Constable Paul Wells of GMP’s Trafford Borough said: “Three men were attacked completely unprovoked after a night out.
“It’s really important that we speak to the third man, to check he is ok, and doesn’t have any lasting injuries.
“If you are this man, or you know who it is, or if you saw the attack, please get in touch with police as a matter of urgency.”
Anyone with information is asked to contact police on 0161 856 7530, 101 quoting incident number 330 of 10/06/17, or anonymously to Crimestoppers on 0800 555 111