PARKTON, Md. (WJZ) — Three people were flown to Shock Trauma and are recovering after being exposed to carbon monoxide.

The incident was reported inside of a private residence located in the 19000 block of Middletown Road

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Investigators said three adult victims were inside the home when they became sick with symptoms consistent with carbon monoxide exposure.

Two of the victims were released tonight, while one stays hospitalized but is expected to make a full recovery.

Officials did not reveal the source of the gas, but the family believes there was a problem with their chimney.

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