Man beheads 1-year-old son with knife in US, police find baby's head in bedroom

A 28-year-old man was arrested after he allegedly beheaded his one-year-old son with a knife in US' California. The police, who were initially responding to a domestic disturbance call, found the man's wife outside the house and she told them her son was still inside. The police said that deputies found the severed child's head in the bedroom.