In Uttarakhand, 15 people were killed when a bus fell down in Tons river near Tyuni in Dehradun district today. According to District Magistrate Sachin Kurve, 12 persons have been rescued whereas 20 people are reported missing. Search and rescue operation is going on in the area.Meanwhile, Disaster Management Minister of the State, Trivendra Singh Rawat told our Dehra Dun Correspondent that the rescued persons have been hospitalized.He said that the passengers of the bus were going back to their villages after participating in a religious function. Governor, Mrs. Margret Alwa has expressed grief over the accident.