The fire chief may prescribe the limits in the vicinity of any fire or emergency scene within which no persons, except those who reside therein, firefighters, police officers, and those admitted by order of any officer of the fire department, are permitted to enter or remain. The fire chief is hereby authorized to request of the chief of police or other officer in charge of the police, a detail of police officers sufficient in the fire chief's judgment therefor, who, for the time being, shall act under the instructions of said chief of the fire department or officer in command. It is unlawful for any person to break through or attempt to break through the limits mentioned in this section. (Ord. 2910, 6-4-2001)