Sixteen persons were injured when a bus carrying them rolled down into a gorge in Jammu and Kashmir's Reasi district.Police said in winter capital Jammu: "A bus carrying passengers rolled down into a gorge near Nomain Katra this afternoon resulting in injuries to 16 passengers."The injured were shifted to a sub-district hospital in Katra. Three with critical injuries have been shifted to the government medical college hospital in Jammu for specialized treatment.