Cause of Mt. Vernon bowling alley fire won't be determined for d - KWWL - Eastern Iowa Breaking News, Weather, Closings

Cause of Mt. Vernon bowling alley fire won't be determined for days

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Peering through the busted windows Tuesday afternoon investigators with the state fire marshal's office could be seen combing through the shell of Donmar Lanes.

While the fire has been extinguished for days, a discolored door and a polluted water bottle are just a few signs of the intense heat, fire crews battled Sunday night.

Investigators on scene, at least one from the bomb squad division, had tools and cameras spending time processing the cause of the massive bowling alley fire.

Sunday's fire was so extensive 143 firefighters from 14 fire departments battled the blaze for hours.

Sgt. Doug Shannon with Mount Vernon Police says the number of firefighters that responded to the fire was the largest ever.

“This one will be a long process just with the size of the building, the size of the area they have to process,” said Shannon. “Tragedy for the community.”

Shannon has been working closely with the state fire marshal looking for items of evidence to help identify a cause – a cause that likely won't be determined for several more days.

“There's a lot of debris and rubble to dig through right now and try to get and identify the spot where the fire originated to try to get it narrowed down a little bit,” said Shannon.

KWWL crews were watching as fire investigators were digging through the rubble primarily on the back side of the building where it appears to have the most damage.

“That seems to be consistent with the witness reports we had as well,” said Shannon.

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