Here it is. With the usual reminder that a supply of salt is useful when reading all Wikipedia articles.
Ideology was the major ingredient in the fatal riot. Whatever the driving force of that ideology, it is certainly an object lesson from history.
That it was the remedy necessary at the time to bring the violent riots to a quick conclusion may be debated forever, but that it prevented future similar senseless ideologically driven extreme riots is beyond dispute, and ultimately may have prevented hundreds of similar fatalities since then.