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(FILE) Picture of the facade of the Petrobras building in Rio de Janeiro, Brazil, taken on May 12, 2014. Police made 27 arrests on November 14, 2014 in raids across Brazil in a widening investigation into allegations of a multi-billion-dollar kickback scheme at the state-owned oil giant Petrobras. Among those swooped on by 30 police teams that fanned out across the country was Renato Duque, the former Petrobras director of engineering and services, while several prominent construction companies have also now been dragged into the scandal that has touched the Brazilian president. Authorities, under pressure to get to the bottom of the escalating crisis at Petrobras, also froze assets worth 720 million reais ($277 million) belonging to 36 suspects and three unnamed companies. AFP PHOTO/VANDERLEI ALMEIDA