POLICE are hunting for a man who launched a vicious attack on a fellow dog walker.
Derbyshire Police has urged any witnesses to come forward after a man walking his three dogs in a field off Swadlincote Lane, in Castle Gresley, was headbutted and punched by a man in his 40s.
A row erupted after the victim told his attacker to keep his chocolate Labrador under control.
A spokesman for the force said: "Police are appealing for witnesses following an alleged assault in Swadlincote.
"At around 8.40am on Saturday, August 2, a man was walking his three dogs in a field off Swadlincote Lane, in Castle Gresley.
"He saw another man with a chocolate Labrador walking in the same area and waited at the end of the field for them to pass.
"The dog however ran away from its owner towards the victim and his three dogs.
"The owner of the chocolate Labrador also ran towards them and a disagreement took place over the control of his dog.
"He immediately became aggressive and confrontational and pushed the victim, head butting and punching him.
"The suspect is described as white, aged between 40 and 45 years old, of stocky build and approximately 6ft tall.
"He has short, dark hair, stubble, and was wearing a light blue waterproof coat and fawn coloured shorts.
"The victim received non life-threatening injuries.
"Officers are keen to speak to anyone who may have witnessed the incident.
"Witnesses or anyone with information is asked to contact officers on 101 or Crimestoppers, anonymously, on 0800 555111 quoting crime reference 32098/14."