(AGI) Beirut, Sept 28 - U.S. airstrikes destroyed three oilrefineries controlled by the Islamic State (IS) in Syria onSunday morning. The refineries were all near the city of TalAbyad, near the Turkish border, the Syrian Observatory forHuman Rights reported. The strikes followed dozens of attackson other infrastructures on Thursday night. Analysts estimatethat the oil supplies bring in at least three million dollars aday for the jihadists. (AGI) . .