It shall constitute a Class A municipal offense for any person to own or harbor any pet animal or working dog that, without provocation, attacks, threatens to attack, bites, inflicts minor physical injury, serious physical injury, or death to a human being or domestic animal; or without provocation, chases or approaches a person upon the streets, highways, sidewalks, or other areas open to the public in a menacing fashion. (Ord. 581 §1, 2007)