§ 130.028  ENGAGING, AIDING OR PARTICIPATING IN RIOT.
   Any person, upon conviction of engaging in a riot, rout or affray when no weapon was actually used and no wound inflicted shall be subject and liable for each offense and to a fine not to exceed $500 or to imprisonment for a term not exceeding 30 days.
(1982 Code, Ch. 10, Art. IV, § 4-9)  Penalty, see § 130.999