Two youths and a police officer died in the incident in the Complexo do Alemao shanty town, local media reported.

 

Another officer and a youth were injured in the shooting, which happened in the early hours of Monday.

 

The shooting comes as tens of thousands of football fans are in Rio, one of the venues³（场地） for the 2014 World Cup.

 

 

Brazilian security forces moved into Complexo do Alemao in force in 2012 in an effort to wrest⁴ control from criminal gangs.

 

With a population of 100,000 people, it is one of the largest favelas in the Brazilian city and has become something of a tourist destination for visitors wanting to see the poorer parts of Rio. 

 

Police said they had been fired at while on patrol in Complexo do Alemao. The officers alleged that the two dead youths had links to drug trafficking. 

 

"They use radios to tell each other where there's a patrol and when they spot a small group of officers, they give orders to attack," a local policeman told O Globo.

 

Shootings continue to be frequent in the area, despite the fact that the Complexo do Alemao was among the first favelas to be "pacified⁵".

 

Soldiers first moved into the shanty town in 2010, and in 2012 a permanent police presence was established in the area.

 

For the preceding decades, the area had been a virtual no-go zone for the security forces.

 

Security has been one of the main concerns for the Brazilian authorities during the World Cup and thousands of extra troops and police have been deployed⁶ to guarantee the safety of visitors and residents alike.

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