According to Circle Inspector Peddapalli, Mahesh, the road accident occurred in the limits of Peddapalli Police Station, wherein three persons belonging to a family died on the spot and one person died while undergoing treatment.
"Other three injured are undergoing treatment. We are going to register a case under Sections 304-A and 337 of the Indian Penal Code (IPC)," he added.
An investigation is underway.
Further details are awaited. (ANI)