CASPER, Wyo. — It’s been a busy day for firefighters. In addition to a fire by Salt Creek Highway, Natrona County Fire District firefighters, along with firefighters from Mills Fire Department, were called to a structure fire in the area of Fitzhugh Avenue. A social media post from the NCFD says that, on arrival, NCFD and Mills fire units were able to stop the progression of a yard fire before it spread to a house. No other information is known at this time.