The Bihar Police today said that they have arrested six people, including the main accused, in connection with lynching of the school principal following the recovery of the bodies of two students from a ditch. The principal, Devendra Prasad, was thrashed by a mob in Nalanda on Sunday and died while he was being treated at the Patna Medical College and Hospital (PMCH), the police said. (Content in this video could be disturbing for viewers)