A man killed his 11-month-old son and later committed suicide at Tatandlahalli under Srinivasapur police limits in Kolar district.
The police gave the names of deceased as Vishwanatha Reddy (40) and his son Ranjith (11 months).
Vishwanatha Reddy allegedly murdered his child following a family feud and later committed suicide by hanging himself on Wednesday night.
The incident came to light on Thursday morning. Srinivasapur police have registered a case.