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Newly released surveillance footage shows the harrowing moment a Frontier Airlines jet struck and killed an individual who was loitering on the runway at Denver International Airport late Friday night.

Thermal imaging on the clip obtained by KDVR shows the unidentified person scale a perimeter fence before they walked directly into the airplane's path.

"The trespasser on the runway was then struck by Frontier Airlines Flight 4345 during takeoff at high speed. The pilot stopped takeoff procedures immediately," Transportation Secretary Sean Duffy wrote in a post on X.

The incident occurred around 11:19 p.m.…