, armed with pipes, riot in a clash with riot police in the Minneapolis Teamsters Strike of 1934.]]; they may use cobblestones as projectiles]] Riots are a form of civil disorders characterized by disorganized groups lashing out in a sudden and intense rash of violence, vandalism or other crime. While individuals may attempt to lead or control a riot, riots are typically chaotic and exhibit herd behavior. Riots often occur in reaction to a perceived grievance or out of dissent. Historically, riots have occurred due to poor working or living conditions, government oppression, taxation or conscription, conflicts between races or religions (see race riot and pogrom), or even the outcome of a sporting event. Some claim that rioters are motivated by a rejection of or frustration with legal channels through which to air their grievances. Riots typically involve vandalism and the destruction of private and public property. The specific propert