Unlawful assembly is a legal term to describe a group of people with the mutual intent of deliberate disturbance of the peace. If the group are about to start the act of disturbance, it is termed a rout

Rout

A rout is commonly defined as a chaotic and disorderly retreat or withdrawal of troops from a battlefield, resulting in the victory of the opposing party, or following defeat, a collapse of discipline, or poor morale. A routed army often degenerates into a sense of "every man for himself" as the...

; if the disturbance is commenced, it is then termed a riot

Riot

A riot is a form of civil disorder characterized often by what is thought of as disorganized groups lashing out in a sudden and intense rash of violence against authority, property or people. While individuals may attempt to lead or control a riot, riots are thought to be typically chaotic and...

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Section 144

Section 144 is a section of Indian/Pakistani and Bangladesh

Bangladesh

Bangladesh , officially the People's Republic of Bangladesh is a sovereign state located in South Asia. It is bordered by India on all sides except for a small border with Burma to the far southeast and by the Bay of Bengal to the south...

i Code of Criminal Procedure, which prohibits assembly of five or more persons, holding of public meetings, and carrying of firearms and can be invoked for up to two months. It also gives the magistracy

Magistrate

A magistrate is an officer of the state; in modern usage the term usually refers to a judge or prosecutor. This was not always the case; in ancient Rome, a magistratus was one of the highest government officers and possessed both judicial and executive powers. Today, in common law systems, a...

 the power to issue order absolute at once in urgent cases of nuisance or apprehended danger. With the introduction of Dhaka Metropolitan Police (DMP) in 1976, Section 144 has ceased to operate in the metropolitan jurisdiction in Bangladesh.

Canadian Criminal Code

Under Part II of the Canadian Criminal Code (Offences Against Public Order), Unlawful Assemblies and Riots is when the assembly of three or more persons who cause fear and on reasonable grounds disturb peace in the neighborhood.