It shall be unlawful for any person:
(A) To knowingly prevent, obstruct, harass or endanger, by any means, any police officer, fire officer or other official or employee or any military personnel on emergency duty within the city, in the lawful performance of his or her duties; and
(B) To knowingly or willfully refuse or neglect to obey, without reasonable justification therefor, any lawful order or direction of any police officer, fire officer or other official or employee or any military personnel on emergency duty within the city.
(1974 Code, § 5-4-2.14)