Created: 01/30/2014 7:46 AM KAALtv.com
NEW ULM, Minn. (AP) - Two of the three people who were sickened by carbon monoxide at their New Ulm home remain hospitalized.
Authorities say the incident serves as a reminder to check your home's outdoor furnace vents to make sure they're clear of snow.
Ninety-three-year-old Arnold Schweiss and his 90-year-old wife, Velma, are in satisfactory condition at Hennepin County Medical Center. Their son was treated and released from New Ulm Medical Center Monday.
KEYC-TV reports police say snowdrifts around the home's exhaust and intake vents caused carbon monoxide to build up in their house and sickened the three.
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