In his Blog da Amazonia, the Brazilian journalist, Altino Machado, describes how paramilitaries from Peru have invaded land belonging to isolated Indians in Brazil.
Peruvian President Ollanta Humala, who took office on 28 July, faces a big challenge in regions where most of his votes come from.
The Peruvian elections have produced an unexpected result. Ollanta Humala and Keiko Fujimori will face each other in the run-off. Anything could happen in an unusual electoral process.
In a talk at the London School of Economics (available as a podcast), former Bolivian President Carlos Mesa looks at political transitions in Latin America.