The Syrian warplanes continued Sunday their shelling of the opposition strongholds in Aleppo and Qalmoon in Rif Damascus, Sky News Arabia reported. The opposition coordination unions said the pro- regime Syrian helicopters threw explosive barrels in the vicinity of the Canadian hospital in northern Aleppo. At least three persons were killed near Qadhi Askar district in Aleppo, while air raids on Ashrafiya, Maqsoud districts left several persons