A California dad's extraordinary act of compassion ends tragically. Casey Rivara stopped traffic to help a mommy duck and her seven ducklings cross a busy street. When Rivara returned to his vehicle, he was fatally struck by a car. Cops say the car that hit Rivara was driven by a 17-year-old. She stayed at the scene and no arrests were made. The tragic accident has left Rivara's family and the youngsters who witnessed the accident devastated. Inside Edition’s Les Trent has more.