Two former SBM Offshore CEOs are among 12 people charged in connection with a corruption investigation linked to Brazilian state oil company Petrobras.

Brazilian prosecutors said the 12 were charged over allegations of bribery, according to Reuters.

Police said the arrests were part of Operation Black Blood. Two suspects were already in jail in the southern city of Curitiba.

Former Petrobras executives Pedro Barusco, Jorge Zelada and Renato Duque were charged with corruption, along with former SBM sales agents Julio Faerman and Luis Eduardo Campos Barbosa da Silva, according to a statement from federal prosecutors.

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