7 treated for suspected CO poisoning in northeast Minnesota

Authorities say seven people are being treated for suspected carbon monoxide poisoning at a home in northeastern Minnesota.

The Virginia Fire Department was dispatched about 10 a.m. Sunday to a duplex.

Virginia Fire Battalion Chief Kevin Poffs says seven people who either lived at the duplex or were visiting were taken to a Virginia hospital for treatment.

He says several were then airlifted to a Duluth hospital.

WDIO-TV reports two Virginia firefighters, two Virginia police officers and a St. Louis County sheriff's deputy were evaluated for possible carbon monoxide exposure.

The cause of the poisoning is under investigation.

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