A 45-year-old man suffered head injuries after being assaulted in Corby.
Police are appealing for witnesses to the attack which took place between 5.45pm and 6pm on Sunday, November 4.
A police spokesman said: “Following an altercation at the entrance to the car park to the Raven Hotel on Rockingham Road, a 45-year-old man was assaulted by another man causing head injuries.
“The offender, prior to the assault, had got out of what is described as a dark-coloured Peugeot 306 convertible.”
Witnesses to this incident, or anyone with information about it, can call Northamptonshire Police on 101 or information can be given anonymously to Crimestoppers on 0800 555111.