Frontier Airlines Jet Kills Pedestrian on Denver Runway After Engine Fire Forces Abort

A Frontier Airlines jet killed a pedestrian on a Denver runway late Friday after an individual breached the airport perimeter fence, CNBC reported Saturday, in an incident that also triggered an engine fire and a full aircraft evacuation.

Pedestrian Breaches Perimeter and Is Struck Within Minutes

Denver International Airport said the individual climbed over the perimeter fence and was struck by the Frontier Airbus A321 within just two minutes of breaching the boundary. The person was pronounced dead at the scene. Officials said the deceased was not believed to be an airport employee and had not been publicly identified as of Saturday morning.

The aircraft was bound for Los Angeles and carrying 224 passengers along with seven crew members. Pilots aborted the takeoff after the plane struck the individual, and smoke was subsequently detected inside the cabin. All 231 people on board were evacuated safely onto the tarmac.

Twelve people reported minor injuries during the evacuation. Five individuals were transported to nearby hospitals for further assessment, airport officials confirmed.

A Brief History of Runway Security Concerns

Perimeter security at major airports has drawn scrutiny for years. The Transportation Security Administration and FAA have both issued guidance on hardening airport boundaries following previous breach incidents across the United States. Friday’s event renews questions about whether existing physical barriers are sufficient at large hub airports.

Denver International, one of the busiest airports in the country by passenger volume, said it examined the fence line immediately after the breach and found it to be structurally intact, suggesting the individual actively scaled rather than exploited a gap.

Runway Closed, Federal Agencies Respond

The runway where the incident occurred was taken out of service for inspection following the collision. Airport officials said they expected to reopen it within a few hours of the event.

Transportation Secretary Sean Duffy confirmed that local law enforcement was leading the investigation with operational support from both the FAA and the TSA. Frontier said it was cooperating fully with all relevant safety authorities and continuing to gather information about the sequence of events.

The airline has not commented publicly on the condition of the aircraft or how quickly it expects to return the jet to service.

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