(A) 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 person or persons to assist him in making such arrest, executing such process or suppressing such riot, affray or unlawful assembly.
(B) It is unlawful for any person lawfully called upon thus to assist an officer of the city to refuse or fail to do so.
(`83 Code, § 10-602) Penalty, see § 10.99