Police today revealed they are investigating a public order incident in High Street, Roade.
The incident happened at 4.40pm last Saturday when a man approached a group of children, all aged 12 and 13, and threatened them with violence.
He threatened to punch and break the legs of a 13-year-old boy who he then chased along the street.
Police, who described the altercation as “very upsetting” for the children, said the man was white, aged 40-50, 5ft 10in, with a large build and balding hair.
He was wearing a navy blue T-shirt and possibly green trousers or shorts.
Anyone with information can call Northamptonshire Police on 101 or, alternatively, information can be given anonymously to Crimestoppers on 0800 555 111.