A teenager has been attacked opposite Kettering General Hospital.
The assault took place opposite the turning for the accident and emergency department at the Rothwell Road hospital at about 10.10pm on Saturday, November 1.
Police have only released their appeal today (Wednesday, December 3).
An 18-year-old man received facial injuries in the assault.
Police would like to speak to anyone who may have witnessed this incident or have any information regarding it.
The offenders are believed to have been using a silver 4x4 vehicle before and after the incident.
Witnesses or anyone with information about this incident is asked to call police on 101 or Crimestoppers anonymously on 0800 555 111.