PATNA, April 7 -- A five-year-old student of a private residential school was found dead in mysterious circumstances on Monday in Bihar's Jehanabad district, police said, adding that they have detained the school's owner for questioning. While the family alleged that the boy, Ashu Kumar, was "stabbed to death", the school authority claimed the boy died after falling from the first floor, police added. HTtried to contact school authorities but did not receive a response. htc...