Learning from Belfast to end HK troubles

Thousands of angry people swarm into the streets. They believe they have legitimate grievances. They call on the government to repel or take certain measures and address their grievances.

Yet after the government resolves the initial issue, the demonstrations and violence do not end; they only spread and intensify. There are calls for democracy where none, it is argued, has been seen before. In some countries, the film footage and simple direct slogans attract widespread support for the rioters.

The riots have become more violent. The police have come under increasing strain.