A police officer runs near other officers taking position during a shootout with traffickers during an operation at Vila Cruzeiro slum in Rio de Janeiro

Police officers during a shootout with drug traffickers in the Vila Cruzeiro favela in Rio de Janeiro in 2010. (Reuters/Bruno Domingos)

A police officer runs near other officers taking position during a shootout with traffickers during an operation at Vila Cruzeiro slum in Rio de Janeiro November 25, 2010. Authorities in Rio de Janeiro struggled to control a fifth day of violence apparently orchestrated by drug gang members who have attacked police stations and burned cars in the Brazilian city. The wave of violence began on Sunday with attacks on police stations and vehicles. Suspected drug gang members ordered people out of their cars on expressways and then set fire to the vehicles.REUTERS/Bruno Domingos (BRAZIL – Tags: CIVIL UNREST CRIME LAW SOCIETY IMAGES OF THE DAY)