It is unlawful for any person to mutilate, deface or injure any public property within the corporate limits, any tree, building or other property, or to obstruct any street, alleyway, avenue, bridge, ditch or public road within the corporate limits, and any person found guilty of a violation of this section shall be fined in accordance with Section 1.12.510 of this code. (Prior code § 3-1-11)