Police are appealing for two people who helped the victim of an assault in Rushden to make contact.
On Friday, December 16 at about 5.15pm, an 18-year-old woman was assaulted in Clover Drive.
Two members of the public intervened, offering the victim help, at which point the offender left the scene.
A police spokesman said: “We’re urging these people to call 101 as they may be able to assist with the investigation.”
Witnesses or anyone with information can contact police on 101 or Crimestoppers anonymously on 0800 555111.