Uvalde school shooting survivors face physical and emotional wounds

As Uvalde, Texas, mourns those killed in the deadly school shooting, several other children who survived the horrific tragedy are still fighting for their lives in hospital. Heather Yourex-West reports from San Antonio's University Hospital, on how quick-thinking saved an 11-year-old, the physical and emotional scars young survivors like her will have to carry, and how the doctors helping them have learned from past tragedies.