Four people have been arrested after police received reports of people carrying shotguns in the Gretton Brook Road area of Corby.
Officers were called to the area on Tuesday, 5 September, when armed police attended the scene and arrested two men and two teenage boys.
An extensive search of the local area has taken place and a shotgun has been recovered.
Officers from CID investigating the incident would like to hear from anyone who may have any information about it. Anyone with information is asked to contact police on 101 or Crimestoppers anonymously on 0800 555 111.
The four men arrested in connection with the incident have been released from custody under investigation.