Caller (juvenile) stated there was a riot at the facility and kids are trying to fight; Caller advised “send everyone you have.” People screaming in background. Dispatch received multiple calls regarding riot that started after a fire alarm was pulled. Upon arrival, officers advised a juvenile was unconscious and 2 juveniles fled the facility. A juvenile was transported to ER for suicidal ideations and another was transported to ER for cutting her wrist. After a head count, all juveniles were accounted for. Staff advised they wanted to press charges on 2 juveniles, and would call back when they had all information needed.