No person shall in any manner hinder, delay or interfere with any member of the fire department in the performance of his or her duty at any time or place, and all persons attendant upon a fire shall be subject to the order of the fire chief or the firefighter in command at such fire for the purpose of rendering any assistance to the members of the fire department in the execution of their duties, and all such persons shall upon demand render such reasonable services so required.
(1929 Code, § 140)