Police said they seized automatic weapons , guns and grenades and arrested dozens of people in a series of slum raids over the weekend . Two slums are targeted in an operation aimed at cleaning up crime before the World Cup . The two areas were identified as being particularly vulnerable to drug trafficking and organised crime. There are no reports of deaths of injuries .
Two slums are targeted in an operation aimed at cleaning up crime before the World Cup . The two areas were identified as being particularly vulnerable to drug trafficking and organised crime. There are no reports of deaths of injuries .