(AGI) Beirut, Sept 30 - Week-long U.S. air strikes against ISISpositions in northern Syria have killed 233 people, including22 civilians, the Syrian Observatory for Human Rights said onTuesday. Among those killed were 60 members of al-Qaedaaffiliate group al-Nusra, the Britain-based Syrian oppositioninformation network clarified. The attacks have so far targetedSyria's Raqqa, Deir ez-Zor, Al-Hasakah, Aleppo and Idlibprovinces and ISIS-controlled oil installations. . .