Minn. Stat. § 609.705: UNLAWFUL ASSEMBLY.

When three or more persons assemble, each participant is guilty of unlawful assembly, which is a misdemeanor, if the assembly is:

(1) with intent to commit any unlawful act by force; or

(2) with intent to carry out any purpose in such manner as will disturb or threaten the public peace; or

(3) without unlawful purpose, but the participants so conduct themselves in a disorderly manner as to disturb or threaten the public peace.