A. Request For Assistance: An officer of the city making or about to make an arrest, or executing or about to execute a warrant or other process, in accordance with the ordinances of the city or with state or federal law, or suppressing or about to suppress a riot, affray or unlawful assembly, may call upon a person or persons to assist him in making an arrest, executing a process or suppressing a riot, affray or unlawful assembly.
B. Unlawful To Refuse: It is unlawful for any person lawfully called upon thus to assist an officer of the city to refuse or fail to do so. (2001 Code § 134.01)