NEW : The 50-acre fire , which burned a mobile home , is contained . NEW : A firefighter was killed in the blaze and another person died of smoke inhalation after being airlifted to an area hospital. The fire had caused the highway 's closure due to `` zero visibility , '' a sheriff 's office says . The National Weather Service warns of `` dry fuels and low relative humidity '' in the area .
NEW : The 50-acre fire , which burned a mobile home , is contained . NEW : I-75 northbound reopens , though southbound traffic was still closed around 3:15 p.m . The fire had caused the highway 's closure due to `` zero visibility , '' a sheriff 's office says . The National Weather Service warns of `` dry fuels and low relative humidity '' in the area .