Four police officers were killed as their helicopter was shot down by drug traffickers in Brazil’s Rio de Janeiro amid on going operation. Eyewitnesses  said witnessing continuous  shooting and a police presence in the Cidade de Deus (City of God)  suburb of Western Rio de Janeiro which is a CDD  Favela Slum area.

The helicopter was giving support for police operation against gangs in Favela. There has been several clashes during the price and the criminal gangs operating in the area.

In 2009, drug traffickers  shot down a police helicopter which crash landed on a football stadium killing both pilots.