Fire investigators say a faulty heating boiler is to blame for a carbon monoxide scare Saturday on Cape Cod.
Five people were taken to the hospital due to high levels of carbon monoxide inside a home in Dennis, Massachusetts.
According to officials, a guest at the home was not feeling well and suggested carbon monoxide detectors be installed. Those new alarms immediately went off.
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"Today, five lives were saved in Dennis by working carbon monoxide alarms," said Massachusetts Fire Marshal Stephen Coan in a statement. "This is a reminder to all of us how important these safety devices are."
Officials removed several pets from the home, as well.