A.   Arrests: Police officers shall have power to arrest all persons in the city found in the act of violating any ordinance or aiding or abetting in any such violation, and shall take all such persons so arrested to the place designated by such ordinance, and while serving or executing or assisting in the serving or execution of any warrant or process, they shall be vested with and have all the power conferred on constables by common law and the laws of the state. (1925 Code § 30-16)
   B.   Serve Processes: Police officers shall have the power and authority to execute warrants or other legal processes within the corporate limits of the city and within such distance therefrom as is authorized by law, in all cases when any ordinance of the city made pursuant to law shall prescribe a penalty for the violation of any of its provisions by persons residing, acting or doing business without the limits of the city. (1925 Code § 30-17; amd. 2009 Code)
   C.   Call On Bystanders: Any police officer of the city may, at any time, call upon any able bodied person of the age eighteen (18) years or over to aid him in arresting, retaking or holding in custody any persons guilty of having committed any unlawful act, or charged therewith, or to aid such officer to prevent the commission of any unlawful act; and whoever shall refuse to so aid shall incur a fine as provided in section 1-4-1 of this code for each offense. (1925 Code § 30-18; amd. 1981 Code; 2009 Code)