Route 91 Harvest Festival Shooting (2017)
A mass shooting from an elevated position into an open-air festival crowd. Sixty people died and hundreds were injured, producing a penetrating-trauma mass casualty incident on a large scale.
Timeline
- A gunman fired from an elevated hotel room into the festival crowd across the street.
- Attendees sustained gunshot wounds; crowd movement toward exits caused additional injuries.
- Bystanders and off-duty responders began hemorrhage control and improvised evacuation.
- Casualties self-transported and were transported by private vehicle to multiple hospitals.
- Area hospitals received a large, rapid influx of penetrating-trauma patients.
Contributing factors
Reviews examined the challenges of a scene under fire, casualty collection and hemorrhage control in an open venue, uncontrolled patient self-transport, and hospital surge distribution across the region. The scale and rapidity of penetrating-trauma presentations were defining features.
Medical response
A very large volume of patients reached hospitals in a short window, much of it by private vehicle rather than EMS. After-action analyses highlighted hemorrhage-control (tourniquet) use by bystanders, scene safety under an active threat, and regional trauma-surge coordination.
Aftermath — what changed
The event reinforced bystander hemorrhage-control initiatives (e.g., Stop the Bleed), reviews of festival security and site design, and hospital mass-casualty surge planning.
Operational takeaways
Plan for uncontrolled self-transport and distribute surge across trauma centres; embed bystander hemorrhage control; pre-identify casualty collection points and hardened egress for open venues.