(1)  Any person who assaults, resists, or wilfully obstructs any police officer in the due execution of his duty, or any other person lawfully assisting him therein, is guilty of a crime.

Charge:  Assaulting [ or obstructing] a police officer.

(2)  Any person who assaults, resists, or wilfully obstructs any person lawfully arresting or about to arrest any person is guilty of a crime.

Charge:  Resisting lawful apprehension.