( CNN ) A mammoth fire broke out Friday morning in a Kentucky industrial park , sending plumes of thick smoke over the area as authorities worked to contain the damage . The blaze began shortly before 7 a.m. at the General Electric Appliance Park in Louisville , according to Mike Weimer from the city 's emergency management agency . He said that there were no reports of anyone injured or trapped . Video showed both smoke and bright orange flames . Firefighters took up positions around the affected buildings , spraying water from the periphery . Weimer told CNN that authorities did n't know what had caused the fire , which had gone to at least four alarms . According to a GE website , its facility in the Louisville Appliance Park is `` revitalizing manufacturing in the United States . '' The park is large , such that 34 football fields could fit in one of its warehouses in the facility .
Fire breaks out at the General Electric Appliance Park in Louisville , Kentucky . City official : No is believed to be injured or trapped .