(A)   It is unlawful to resist, oppose or assault, or in any way interfere with a police officer or any person duly authorized to act as such, while the officer or person is discharging or attempting to discharge his official duties within the limits of the city.
   (B)   It is unlawful for any person to warn or signal another so as to assist such other person to flee, escape or evade an officer seeking to make an arrest or for any person to bar or lock any door or barrier in the face of or in front of an approaching officer.
   (C)   Resisting an officer is the intentional opposition or resistance to, or obstruction of, an individual acting in his official capacity, and authorized by law to make a lawful arrest or seizure of property, or to serve any lawful process or court order, when the offender knows or has reason to know that the person arresting, seizing property, or serving process is acting in his official capacity.
   (D)   The words OBSTRUCTION OF shall, in addition to their common meaning, include:
      (1)   Flight by one sought to be arrested before the arresting officer can restrain him and after notice is given that he is under arrest;
      (2)   Any violence toward or any resistance or opposition to the arresting officer after the arrested party is actually placed under arrest and before he is under arrest; or
      (3)   Refusal by the arrested party to give his name and make his identity known to the arresting officer.
(`83 Code, § 10-601)  Penalty, see § 10.99