BRASILIA, June 24, 2016 (Xinhua) -- Paulo Bernardo Silva (C) is guarded by officers to the plane of the Federal Police after being arrested in Brasilia, Brazil, on June 23, 2016. Paulo Bernardo Silva, a former Brazilian minister from Brazil's suspended President Dilma Rousseff's Workers' Party (PT), was arrested Thursday in a police operation as part of the investigation into the Petrobras corruption ring, official sources said. (Xinhua/Dida Sampaio/AGENCIA ESTADO)
