Menatally challenged kills mother brother

A mentally challeged man allgedly murdered his mother and younger brother today, police said.
With injuries in his neck, the mentally challeged Senthilkumar was also admitted in Salem government hospital, police said, Police Inspector Umashankar said.
Senthilkumar, following an altercation with his mother and brother over his marriage, dragged a knife and killed them, police said.