A man stabbed to death his wife and three children in Delhi's Mehrauli area, on Saturday.
In a written note, Upendra Shukla has admitted that he murdered his wife and three children (two-month-old, five-year-old and six-year-old).
However, he has not stated any reason for committing the crime, reported ANI.
Later in the day, cops arrested the person.
Further investigation was underway.
WATCH VIDEO: Delhi: Man kills wife, three minor children in Mehrauli