Hertfordshire Police have released an image of a man they want to track down after two incidents where dogs were kicked.
In one incident, a dog was kicked in the face by the man who was jogging in Batchwood Drive in St Albans on 3 July. The dog was with a dog walker.
Previously, in May, a woman and her daughter were walking their dog outside Morrisons, in Hatfield Road in the city ,when a man kicked her dog.
Before that, in April, the woman has reported to police that she was approached by the same man who lunged at her in a threatening manner. She did not have her dog with her.