A man was verbally abused by a dog owner who allegedly failed to keep his dogs under control.
The victim was running in a field off the Marham Parkway in Bury St Edmunds at about 6pm on Tuesday when the incident happened.
Three dogs ran up to the man, causing him to stop.
According to Suffolk police, the victim asked the owner of the dogs to get them under control and was verbally abused.
One of the dogs was a Boxer type breed.
The suspect is described as a middle aged, unshaven man who was with a teenage girl.
Anyone with information is asked to contact Suffolk police, quoting crime reference number 37/64998/23.