JOHNSTOWN, Pa. (CBSNewYork/AP) -- A new video shows a cloud of gray smoke rising in the sky minutes after United Airlines Flight 93 crashed in western Pennsylvania on Sept. 11, 2001.
SEE THE VIDEO: Home Video Shows Flight 93 Crash Site
The Tribune-Democrat newspaper of Johnstown says the video was filmed and narrated by Somerset County resident Dave Berkebile, who died this year.
Berkebile calmly reports a plane has crashed a few miles from his Berlin home and assumes a link to the other terror attacks that day in New York City and Washington D.C.
Donna Glessner is collecting oral histories for the National Park Service. She believes the video is the earliest footage of the crash in Shanksville, a rural area southeast of Pittsburgh.
Flight 93 crashed as passengers fought four hijackers. Investigators believe the plane was going 580 mph upon impact.
Forty passengers and crew members perished.
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