Non destructive riot

A step between a protest and a full out riot. Non destructive riots are protests that cause significant disruptions but non violent.

Operation gridlock and protesters who block roads are considered non destructive rioters.

gas-riot

n. A person who creates trouble for the reasons of attracting attention and notoriety that is undeserved for imagined meritorious action whether or not a motive is claimed resulting in tumultuous events within a society. Derived from the idea that a person is 'full of hot air' and then is ignited.

The preacher who wanted to set several Q'urans on fire during a commemoration of the American 9/11 attacks sparking global repercussions of demonstration and violence is a gas-riot.