Police stand guard near grafitti reading "no war" in the Rocinha slum in Rio de Janeiro, Brazil, Monday, April 12, 2004. According to reports, about 1000 police officers invaded the slum after a battle between rival drug traffickers erupted during the weekend. At least eight people died during the confrontations.(Douglas Engle/Australfoto)

Police stand guard near grafitti reading "no war" in the Rocinha slum in Rio de Janeiro, Brazil, Monday, April 12, 2004. According to reports, about 1000 police officers invaded the slum after a battle between rival drug traffickers erupted during the weekend. At least eight people died during the confrontations.(Douglas Engle/Australfoto)