Brazilian forces move into Rio slum.

[Os Cangaceiros]

http://www.guardian.co.uk/world/2010/nov/28/rio-de-janeiro-gangs-ultimatum

http://www.bbc.co.uk/news/world-latin-america-11856422

Last week's violence claimed over fifty lives, according to the first article.

I had a feeling that Brazil's beautification project for the Olympics was going to be ugly.

[Os Cangaceiros]

Photo gallery:

http://www.boston.com/bigpicture/2010/11/rios_drug_war.html

[Cane Nero]

Many drug dealers fled through the sewage system they had built for situations like this.
Even the aeronautics and the army were sent there.
The problem is that the drug trade has long existed and only now the state decides to take action to stop it. Probably because of the Olympic Games.