ERIE, Colo. (CBS4) – Two people have been confirmed dead in a helicopter crash at the Erie Airport on Monday.

The crash happened just after noon next to a runway at the Erie Airport. When Mountain View Fire Rescue crews got there they extinguished a small fire in the wreckage about the size of a campfire.

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The scene Monday afternoon (credit: CBS)

The scene Monday afternoon (credit: CBS)

The debris field spanned 500 feet or more. Investigators are trying to determine whether the helicopter had some kind of mechanical problems before the crash. Multiple witnesses told investigators something seemed to go wrong with the helicopter before it crashed.

Authorities said there were only two adults on board. The Weld County coroner confirmed the two fatalities in the crash but won’t release any information on the victims.

(credit: CBS)

(credit: CBS)

The Associated Press reported that Federal Aviation Administration spokesman Allen Kenitzer says the Enstrom 280FX crashed during a training flight.

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Witness Kassandra Davis described seeing an explosion just before the helicopter crashed.

“I didn’t know where it was going to land and I looked back and I just saw it come down on the ground and it exploded. I knew there wasn’t going to be any survivors,” Davis said.

(credit: CBS)

(credit: CBS)

Witnesses tried to help, but realized there were no survivors.

“There was a gentleman out there using a fire extinguisher trying to put it out but it wasn’t doing much good,” witness Julie Barrett said.

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“I thought I was dreaming, like this was not happening, and I realized it was happening,” Davis said