Mass Casualty Incident: Gas Leak and Train Emergency in Downers Grove

Summary: A significant emergency response was initiated in Downers Grove, DuPage County, Illinois, following a reported gas leak inside a building at 4708 Main Street. The incident escalated due to a mass casualty situation involving a train, with multiple patients requiring triage and transport. Numerous fire, EMS, and command units responded, coordinated staging, and managed patient care and hospital distribution. The event involved hazardous materials (natural gas), a possible burner left on, and the evacuation and medical treatment of victims from a train. Additional resources, including a 211 EMS alarm, were requested as all available ambulances became committed. The incident required coordination with multiple hospitals and law enforcement for patient escort and scene security.