Lotora Pidiaka (65) and Apadu Melaka (57) of Nathama village were attacked and killed last night by locals who held them responsible for the death of a 10-year-old local boy last month, accusing them of practising sorcery, police said.
Their bodies were thrown into a nearby river and efforts are on to recover the bodies, said Rabi Patra, Inspector In-charge of Rayagada police station.
At least four persons have been detained for interrogation in connection with the incident, he added.