A pizza delivery man was hit over the head and robbed of cash in a terrifying incident in Grantham on Saturday night.
The 27-year-old man was attacked by a gang of four, and was hit over the head with a blunt object during the ordeal in Brewery Hill.
The victim was taken to Lincoln County Hospital for treatment to head injuries.
Police say there are no descriptions of the offenders, who also stole a red pizza delivery bag.
This incident took place between 2.30am and 3am.
Anyone who witnessed anything suspicious, or who has any information, is asked to call DS Jen Lovatt via the non-emergency 101 number, quoting incident number 46 of October 27. Alternatively, call Crimestoppers, anonymously, on 0800 555 111.