Sun shines down between clouds in Louisville
FILE - This undated image shows the sun in the sky on a hot and humid day in Louisville, Ky. (WDRB/archive)
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The homeless and intravenous drug users are particularly at risk.Â
A researcher at the University of Kentucky is warning businesses and companies about the seriousness of the heat wave if their employees have to be outside.
Kentuckiana is expected to remain in the grip of a heat wave for the next few days, so officials are urging residents to exercise caution and take steps to stay safe.
