A man who punched the windscreen of a taxi in Scunthorpe was then attacked by two men in the early hours of Sunday morning.
The incident took place near the Spar convenience store on Old Brumby Street and was reported to police shortly after 4am on Sunday, March 25.
A man reportedly punched the windscreen of a taxi parked at Spar before two men, who had ordered the taxi to the store, assaulted him and left the scene.
The man was treated at Hull Royal Infirmary and released later the same day.
The men were both said to be Polish and were last seen at the junction of East Common Lane and Queensway, Humberside Police said.
Anyone with any information about the incident should contact police on 101 quoting incident number 16/35746/18.
Information can also be reported anonymously to Crimestoppers on 0800 555111.