It shall be unlawful for any person to throw, drop, pour, release, discharge, expose or place in an area where an athletic contest or sporting event is taking place any substance or object that shall be likely to cause injury to persons participating in or attending such contests or events or to cause damage to animals, vehicles, equipment, devices, or other things used in connection with such contests or events. Any person violating the provisions of this section shall be guilty of a Class 3 misdemeanor. (1977, c. 772, s. 1; 1993, c. 539, s. 178; 1994, Ex. Sess., c. 24, s. 14(c).)