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Start-ups offer software that help businesses cope with country’s security problems
Critics say Temer has eye on election with military intervention in favelas
Intervention comes as crime blights city’s famous carnival and violence increases
Rising crime in the city’s slums is spilling over in to politics and the economy
Is China the saviour or captor of the Latin American country’s assets?
Far-right nationalist congressman takes aim at crime
Prosecutors say ex-governor arranged for $2m to be paid to IOC member for vote
A year after the Olympics, crime is up, the economy down and corruption rife
Rising violence and budget crisis are weakening authorities’ grip on city after Olympics
Sérgio Cabral’s prosecution for kickbacks and money laundering is scalp for graft crusade
After scandal, Petrobras and Eletrobras say challenge is stopping government meddling
Why the Maracana stadium could not stage the latest Rio derby game
Sweeping Petrobras investigation targets highest-profile business figure yet
Sérgio Cabral accused of taking payments for 2014 World Cup Maracanã renovation
Amazonian venture to be ramped up over longer timescale to maximise margins
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