Bettiah (BTH) / Kangali Halt (KNLI): A railway employee was stabbed to death by unidentified criminals near Tirbeni Canal under Kangali police station area in West Champaran district late last night. Police said here today that railway employee Rajvanshi Ram was returning home with his son on a motorcycle when criminals attacked them near Tirbeni Canal. They stabbed Mr Ram to death and roughed up his son. On the basis of statement given by son of the deceased, an FIR in this connection had been registered at Kangali police station, police said adding that the case was being investigated from all possible angles. The body had been sent for post mortem to MJK hospital in Bettiah, police further added.