The bodies of Mahendra Sinha (38), his wife Usha (32) and son Mahesh (10) were found at their house in Telinsatti village under Arjuni police station limits this morning, Dhamtari Superintendent of Police Manish Sharma told PTI.
The couple's another son Trilok (13) was found seriously injured at the spot, he said.
When Mahendra's brother who lives in the neighbourhood informed local police about the incident, their team rushed to the spot, he said.
The bodies were sent for the postmortem while the injured was admitted in a local hospital, he said.
A case has been registered against the unidentified accused, the SP said adding a probe was on.
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