A navy armored vehicle patrols the Vila Cruzeiro slum during an operation in Rio de Janeiro November 25, 2010. 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. In the background is Penha church. Elite police units riding in military armored vehicles rumbled through a heavily fortified slum Thursday hunting for drug gang leaders blamed for five days of violence, even as dozens of armed youths fled to a neighboring shantytown.  [Photo/Agencies] 

Policemen run 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. [Photo/Agencies]