A man walking along a road in Northampton was attacked by a gang of men suspected to be carrying knives.
A 42-year-old man was walking along St James Road on Black Lion Hill, close to Northampton train station, when he was approached by a group of men.
Three of the men assaulted him, possibly with stanley knives.
The victim was taken to Northampton General Hospital for treatment.
The incident happened at about 1am yesterday (Sunday).
The altercation spilled out into the road, and police believe it may have been witnessed by passing motorists.
The offenders are described as being in Asian and in their early 20s.
Witnesses to this incident, or anyone with information, should call Northamptonshire Police on 101 - alternatively, information can be given anonymously to Crimestoppers on 0800 555 111.