A 27-year-old man was the victim of a serious assault on Mill Street, Bedford in the early hours of Sunday morning.
A police spokesman said the man suffered serious head injuries at approximately 4.30am on Sunday, June 1.
Police sealed off part of Mill Street while investigations took place on Sunday morning.
The incident took place at around 5am outside A1 Cars in Mill Street, when the victim was involved in a fight with another man who fled the area soon after knocking the victim to the floor.
Police officers and members of the ambulance service attended the scene and the victim was taken to Bedford Hospital before being transferred to Addenbrooke’s Hospital where he is being treated for bleeding and swelling on the brain.
Detective Constable Karl Heywood, who is investigating the assault, is keen to speak with anyone who was in the area at the time of the assault and may have seen the offender or the incident taking place.
DC Heywood said: “This was an extremely violent assault which has left the victim with some very serious injuries and in a critical, but stable, condition in hospital. I would urge anyone with any information about this incident to get in contact as soon as possible so we can locate the person responsible.”
The offender is described as being a mixed race man wearing dark coloured trousers, black trainers and a grey/green long sleeved top with a white collar. After the attack he got into a nearby taxi and left the area.
If you have information relating to this incident, contact DC Heywood, in confidence, on 01234 275364, the non-emergency 101 number, or text information to 07786 200011.
Alternatively contact independent charity Crimestoppers, anonymously, on 0800 555 111, or online at crimestoppers-uk.org.
Police are appealing for witnesses, or if anyone has any information, to contact them on 101 or Crimestoppers, anonymously, on 0800 555 111.