The incident happened at around 10.30pm outside Chaps takeaway in New Road.
The man got into an altercation with a group of teenagers who were behaving antisocially outside the takeaway after finishing their meal inside.
Police said that during the incident, the 34 year old from Birmingham was hit with a mini scooter, requiring treatment at the Queen Elizabeth Hospital Birmingham for a “major injury to his face”.
West Mercia Police are appealing for information to find the four boys. The four, in their early teens, made off on their scooters.
Officers are urging any witnesses to get in touch, including any parents whose similar aged children may have been out at that time.
Please call West Mercia Police on 101 with any information, quoting incident number 0656 of 15th October.
Alternatively, you can call independent charity Crimestoppers anonymously on 0800 555111 or visit www.crimestoppers-uk.org
Cover image by Ian Britton on Flickr