This transcript has been automatically generated and may not be 100% accurate.

... the use of Rio de Janeiro key drug traffickers ... often a fuel slides on an ultimatum on Saturday ... to turn themselves in ... and help put an end to a wave of urban violence that has killed at least forty six people ... more than a thousand police and army officers surrounded a shanty town ... as part of an effort by security forces to take control of territory ... that has long been controlled by drug gangs ... drug and sent on that ... by setting fire to around one hundred cars and buses ... and firing on police with automatic weapons Military Police said an area had been designated we've been this long with a gang members could surrender ... their only option ... late on millet ... re offence ... John decker