Brazil\'s state-run energy giant Petrobas has been ordered to pay a fine of $5 million over an oil spill that fouled several beaches along Sao Paulo state\'s coast, authorities said Monday. The spill occurred Friday as a result of \"an operational failure\" at a sea terminal of Transpetro, a Petrobras subsidiary, during the refueling of a ship, the Sao Paulo state Environmental Company Cetesb said in a statement. The oil slick reached beaches in the towns of Sao Sebastiao and Caraguatatuba. Transpetro said it had no estimate of the amount of crude spilled.