(1) If, upon the expiration of one hour after such order has been made or after the making of such order has been prevented by force, persons continue riotously to assemble together, the police officer or any other person acting in aid of such officer, may do all that is necessary for the purpose of dispersing the persons so continuing to assemble or arresting them or any of them.
(2) Where any person resists, the police or the person acting in the aid of such officer, may use such force as is reasonably necessary for overcoming such resistance, and is not liable in any criminal or civil proceeding for having, by the use of such force, caused harm or death to the person resisting.
(3) Nothing in this section affects or limits the power to use such force as mentioned in this section at any time before the expiration of one hour from the making of the order, or after the making of the order has been prevented, if in the circumstances it is reasonably necessary to use such force for the suppression, or prevention of the continuance of any riot.