Rudy Giuliani injured in I-93 crash near Manchester on Aug 30. Lauren Kemp rear-ended Giuliani's spokesperson's vehicle. Giuliani helped domestic violence victim before crash. All involved suffered non-life-threatening injuries. Andrew Giuliani stated father discharged from hospital on Sept 1. Giuliani's spokesperson said he remained hospitalized Monday. Incident contrasts with Giuliani's 9/11 legacy and legal issues