It is unlawful and constitutes the crime of riot for 5 or more persons, acting in concert, to wrongfully engage in violent conduct and thereby intentionally or recklessly cause or create a serious risk of causing public terror or alarm.

     It is unlawful and constitutes incitement to riot for a person or persons, intending to cause or to aid or abet the institution or maintenance of a riot, to do an act or engage in conduct that urges other persons to commit acts of unlawful force or violence, or the unlawful burning or destroying of property, or the unlawful interference with a police officer, peace officer, fireman or a member of the Michigan national guard or any unit of the armed services officially assigned to riot duty in the lawful performance of his duty.

     A person shall not willfully instigate, cause, attempt to cause, assist in causing, or conspire to cause a riot at a state correctional facility. As used in this section, "riot at a state correctional facility" means 3 or more persons, acting in concert, who intentionally or recklessly engage in violent conduct within a state correctional facility that threatens the security of the state correctional facility or threatens the safety or authority of persons responsible for maintaining the security of the state correctional facility.

     It is unlawful and constitutes an unlawful assembly for a person to assemble or act in concert with 4 or more persons for the purpose of engaging in conduct constituting the crime of riot, or to be present at an assembly that either has or develops such a purpose and to remain thereat with intent to advance such purpose.

    (1) A violation of section 1, 2, or 2a is a felony, punishable by not more than 10 years in prison or a fine of not more than $10,000.00, or both.

    (2) A violation of section 3 is a felony, punishable by not more than 5 years in prison or a fine of not more than $5,000.00, or both.

     Sections 521 and 522 of Act No. 328 of the Public Acts of 1931, being sections 750.521 and 750.522 of the Compiled Laws of 1948, are repealed.

     This act shall take effect July 1, 1968.