8 Year-Old Martin Richard: 'Vivacious Little Kid,' Killed by a Bomb at the Boston Marathon (Video)
Martin Richard, an 8-year-old boy was killed on Monday at the end of the Boston Marathon. The mother and sister were both critically injured in the blast. Martin's mother underwent brain surgery Monday night and his sister, 6, lost a leg in the blast. The status of his father, Williams, has not been released publicly.