Shares in Brazil's oil giant Petrobras plunged Friday as banking executive Aldemir Bendine, who is seen as too close to President Dilma Rousseff's party, was named the scandal-hit firm's new chief executive.
Brazilian federal police said on Thursday they had started questioning João Vaccari Neto, the treasurer of the country's ruling Workers' Party, as a corruption probe focused on state-run oil company Petrobras widened to include political figures.