Hyderabad: A former Congress Party member of parliament, his wife and their son have been arrested and sent to jail in Telangana's Warangal town in a case relating to the death of the ex-MP's daughter-in-law and three grandsons, police said.

Siricilla Rajaiah, his wife Madhavi and son Anil Kumar were arrested late Thursday and produced before a magistrate who sent them to judicial custody for 14 days.