A tragic incident occurred at Denver International Airport (DIA) when a Frontier Airlines plane struck and killed a pedestrian on the runway during takeoff. Video footage captured the moments leading up to the collision, showing a person walking onto the runway before being hit by the aircraft. Passengers on board described a harrowing experience, with some recalling a chaotic evacuation as the pilot quickly responded to the emergency, initially reporting an engine fire after the incident. The National Transportation Safety Board (NTSB) has launched an investigation into the crash and the circumstances surrounding the evacuation, highlighting concerns about runway security at one of the busiest airports in the country. This incident raises significant questions about airport safety protocols, especially regarding perimeter security, as authorities revealed that the individual struck had jumped a fence to access the runway.