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RIO DE JANEIRO, Nov 25 (Reuters) - Brazil's Senate on Wednesday approved a Supreme Court decision to arrest the leader of the ruling coalition in the upper house, Senator Delcídio do Amaral, for allegedly obstructing a corruption probe into state-run oil company Petrobras.
Senators voted 59-13 to uphold the top court's ruling which led to the country's first-ever arrest of a sitting senator earlier on Wednesday.
Prosecutors investigating politicians linked to corruption at state-run oil company Petroleo Brasileiro SA accused Amaral of trying to bribe a former Petrobras executive to flee Brazil rather than give evidence as part of a plea bargain. (Reporting by Jeb Blount; Editing by Sandra Maler)