Killed in crash police helicopter Rio

At least four officers were killed when a police helicopter crashed Rio de Janeiro.

It is still unclear whether the phone Saturday (local time) has been shot out of the sky, or that other factors played a role. It worked drug offenders in 2009 even take down a police helicopter in the Brazilian metropolis. Two crew did not survive the crash.

Police in recent years gained more and more control over the slums of Rio and could drug offenders and other gangs expel pale. From government figures show that crime is again on the rise. The city is suffering an economic crisis with rising unemployment as a result.