Bengaluru, July 12 -- A 34-year-old man allegedly hacked his mother, grandmother and uncle to death before dying by suicide early on Saturday in Bengaluru's Kottigepalya, police said.

City deputy commissioner of police (West ) N Yathish said that the preliminary probe suggested that the accused suffered from mental health issues.

"The probe indicates that he attacked and killed his mother,grandmother and uncle with a sharp weapon at around 7am while his father was away from home. Neighbours rushed to the house amid the commotion and managed to overpower him and lock him inside a room before calling police. He died by suicide before he could be taken into custody," he said.

Senior officers and forensic experts visited the scene and coll...