Brazil judge says senator may have interfered with Petrobras probe
November 25, 2015 at 07:26 AM EST
BRASILIA, Nov 25 (Reuters) - Brazilian Supreme Court Justice Teori Zavascki said on Wednesday that Senator Delcidio Amaral had been accused of trying to silence former Petrobras executive Nestor Cervero in a corruption investigation and confirmed he had ordered his arrest.
