Passer-by suffered punch to the face by teenager in Daventry
The incident happened at around 1.30pm on Sunday, April 30 in The Inlands, Northamptonshire Police today revealed.
The offender then left the scene with another female.
A spokeswoman for Northamptonshire Police said: "The suspect is described as white, around 16 years of age, ‘tom-boyish’ cropped hair and wearing a baseball cap."
Anyone with information can contact Northamptonshire Police on 101. Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.