A man was allegedly assaulted by a 70-year-old man holding a garden fork following an argument.
The incident is reported to have happened between 6pm and 6.15pm on Wednesday, March 30, in Church View Road, Desborough.
The 70-year-old man, from Desborough, was arrested on suspicion of assault and is currently on bail.
Anyone with information can contact Northamptonshire police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.