Auditor refuses to sign off Brazil Petrobras' Q3 results -Estado
November 01, 2014 at 08:39 AM EDT
RIO DE JANEIRO, Nov 1 (Reuters) - Brazil's Petrobras failed to get its third-quarter earnings approved by PriceWaterhouseCoopers as the auditing firm demanded wider investigation into a corruption scandal plaguing the state-run oil company, newspaper O Estado de S.Paulo said on Saturday.