Lincolnshire Police are hunting for a 17-year-old from Grimsby after a knife attack in Louth.
Charlie Wild is wanted by police in connection with the assault, where a 51-year-old received a minor injury to his head.
Police launched an investigation into the attack on Keddington Road in Louth which was reported to them at 11.50am on Wednesday, January 23.
His injuries have been described as non life threatening and only received medical treatment at the scene.
Anyone with information about the assault or anyone who recognises Charlie is being urged to contact the force on 101, quoting incident 134 of January 23.