They reluctantly decided to involve federal forces after the protests turned violent.

The next day on December 23, the protest turned into a demonstration.

The training was phased out in the late 70's as protests turned more peaceful.

Earlier in the week, protests spilled into the streets and turned violent.

Many fear the protest could turn violent because of a Government ban on demonstrations.

The heated exchange and protests turned from words to blows.

General strikes and protests on 30 March 1976 turned violent.

He had felt the same thing himself, but my passionate protest turned the scale.

But protests from international human rights groups had turned the case into an embarrassment for the Kremlin.

The protest in the area following the shooting turned violent.