Police and soldiers mounted an operation in the Alemao slum . Some 2,000 troops will remain to maintain order . The government has also announced a new round of talks with opposition parties, which are expected to begin on Monday. Domestic pressure , sporting events cited in crackdown .
Police and soldiers mounted an operation in the Alemao slum . Some 2,000 troops will remain to maintain order . They will stay until a police station is set up . Domestic pressure , sporting events cited in crackdown .