Animal Control Officers or any Law Enforcement Officer may apprehend, take with them, and impound any animal in violation of this title when the animal is running at large as defined in Section 6.16.050. Animal Control Officers or any Law Enforcement Officer may enter upon open premises, including any pen or enclosure designed to  house animals, and may apprehend, take with them and impound any animal which the officer has observed running at large immediately prior to the officer's entry upon the premises, or where such entry is otherwise authorized by law, or where the officer observes that the animal or conditions under which the animal is kept or maintained constitutes a nuisance as defined in Section 6.12.090. Entry may be made into enclosures designed as residences only when authorized by law, including when immediate entry is necessary in order to protect persons or property from immediate and substantial harm or damage. Entry upon any premises may also be obtained by warrant in accordance with applicable law. (CC § 08-10-004 (2))(Ord. No. 99-03, Amended, 05/10/99)