Riot
Overview
 
A riot is a form of civil disorder
Civil disorder
Civil disorder, also known as civil unrest or civil strife, is a broad term that is typically used by law enforcement to describe one or more forms of disturbance caused by a group of people. Civil disturbance is typically a symptom of, and a form of protest against, major socio-political problems;...

 characterized often by what is thought of as disorganized groups lashing out in a sudden and intense rash of violence
Violence
Violence is the use of physical force to apply a state to others contrary to their wishes. violence, while often a stand-alone issue, is often the culmination of other kinds of conflict, e.g...

 against authority
Authority
The word Authority is derived mainly from the Latin word auctoritas, meaning invention, advice, opinion, influence, or command. In English, the word 'authority' can be used to mean power given by the state or by academic knowledge of an area .-Authority in Philosophy:In...

, property
Property
Property is any physical or intangible entity that is owned by a person or jointly by a group of people or a legal entity like a corporation...

 or people
People
People is a plurality of human beings or other beings possessing enough qualities constituting personhood. It has two usages:* as the plural of person or a group of people People is a plurality of human beings or other beings possessing enough qualities constituting personhood. It has two usages:*...

. While individuals may attempt to lead or control a riot, riots are thought to be typically chaotic and exhibit herd behaviour, and usually generated by civil unrest. However, there is a growing body of evidence to suggest that riots are not irrational, herd-like behaviour, but follow inverted social norms.

Riots often occur in reaction to a perceived grievance
Grievance
A grievance is a wrong or hardship suffered, which is the grounds of a complaint.-History and politics:A grievance may arise from injustice or tyranny, and be cause for rebellion or revolution....

 or out of dissent
Dissent
Dissent is a sentiment or philosophy of non-agreement or opposition to a prevailing idea or an entity...

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