That is the gift the black bloc gives the police when they do their juvenile actions.
Other protesters tried to physically block the activities of the black bloc.
A demonstration of 10,000 took to the streets surrounding at least 1,500 people in a black bloc.
At the end of the march, the black bloc then engaged in street fighting that forced the police to retreat.
This included a black bloc of 3,000 people.
Police and security services have infiltrated black blocs with undercover officers.
They aren't, of course, but this article doesn't seem to have added anything to the debate for and against the black bloc and their antics.
The black bloc had a two to three hour sit-in, and after that took a vote and decided to return to Washington.
In the red zone, a march began, made up in large part by the "black bloc".
In addition to more mainstream demonstrators, a large black bloc had gathered.