One thousand soldiers mobilized on September 22 in Rio de Janeiro, Brazil, in a major operation against drug pushers of Rocinha, the largest favela of the city.

A series of violent and murderous shooting began on September 17 in Rocinha, After a battle between rival drug trafficking gangs. On the morning of 22 September, this central district where live 75.000 people, the war began between the gangs and the police who were trying to 'clean up' the area.