Mumbai: In a case disturbingly similar to the Keenan Reuben murders of 2011, Dombivali boy Santosh Vichivara was knifed to death for taking on goons who were harassing a girl in his colony. As many as five people have been arrested in the case, of which four minors have been sent to juvenile homes. The other accused, who is an 18-year-old youth was sent to 10-day custody.