10 Baltimore County residents were rushed to medical facilities in the area on Thursday after dangerously high levels of carbon monoxide were discovered at two different homes.
Fire fighters told ABC affiliate WMAR that they believed malfunctioning furnaces were the reason behind the unsafe levels of gas at the two homes.
Emergency response teams were first called to the 1600 block of Manor Road early Thursday morning when a resident reported that another was having a seizure, and had gone unconscious. Upon their arrival, officials said they found five others bearing the symptoms of alleged carbon monoxide poisoning.
The group of six were transported to Shock Trauma at the University of Maryland Hospital Center for treatment, WMAR reported. Their state of their health has not yet been disclosed, according to the Associated Press.
When officials from the fire department measured the carbon monoxide levels in the house, they discovered the numbers far surpassed safety grades. CO Levels were measured at 600 parts per million - but 30 parts per million is considered to be cutting it close.
About 60 minutes later, emergency groups were called to another house on St. Monica Drive, where they measured carbon monoxide levels of about 120 ppm. Four people were transported to Johns Hopkins Bayview Medical Center, but AP reported that their injuries weren't serious.
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