(A) Whenever 12 or more persons, any of them armed with clubs or dangerous weapons, or 30 or more persons armed or unarmed are unlawfully, riotously or tumultuously assembled in the village, it shall be the duty of each of the village police officers to go among the persons so assembled, or as near them as safety will permit, and in the name of the state, command them immediately to disperse; and if they do not obey, every person refusing to disperse shall be deemed guilty of unlawful assembly.
(B) When persons so unlawfully assembled neglect or refuse on command to disperse, it shall be the duty of the police to forthwith suppress the assembly and disperse the person composing it in such a manner as may be most expedient.
(Ill. Rev. Stat., Ch. 129, § 268) (1994 Code, § 27-2-4) Penalty, see § 130.999