Story highlights Police are investigating but say at this point it appears to be an accident

Woman awoke around midnight and fired one shot thinking someone had broken into her house

Her daughter died at a hospital

(CNN) A woman in St. Cloud, Florida, woke up just before midnight Tuesday and fired a shot at a person she thought had broken into her home.

But the person wasn't an intruder; it was her 27-year-old daughter.

The woman fired one round, but police didn't say where the bullet hit the daughter. She died at a hospital.

The shooting appears to be accidental, police said. An investigation is ongoing.

"The homeowner's story is consistent with the physical evidence and the witness' statement," police said.

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