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A 45-year-old grocery store employee in Utah died after she was dragged into an industrial-sized bakery mixing machine, officials said.

Investigators are still trying to determine how Carmen "Jackie" Lindhardt was pulled into the mixer in the Salt Lake City suburb of Sandy on Wednesday morning, Sandy Police Sgt. Dean Carriger told NBC News.

Lindhardt was using the appliance in the bakery department of a Reams Food Store when she became caught on a moving part that rotates to combine ingredients, Carriger said.

A coworker heard her scream and quickly ran over and shut off the mixer but it was too late.

Lindhardt, of Murray, Utah, was pronounced dead at the scene at the Highland Drive branch of the Utah-based grocery chain. An autopsy is scheduled for Thursday morning.

"It was possibly some loose clothing, or she might have reached into the machine for an unknown reason and gotten caught," Carriger said. "We're trying to determine the exact cause at this point."

A sign at the store's bakery said it was "temporarily closed" on Wednesday. NBC News was not able to reach anyone at Reams Food Store for comment early Thursday.