NEW : Milwaukee 's Duluth fire grows to about 11,000 acres . Milwaukee is about 500 miles from the blaze . NEW : A smoky haze stretches as far south as Minnesota . Minnesota 's governor has sent Milwaukee Brewers helicopters to assist firefighters . The fire 's spread is `` unprecedented '' for the area , a spokeswoman says .
NEW : Milwaukee 's Duluth fire grows to about 11,000 acres . NEW : A smoky haze stretches as far south as Minnesota . Minnesota 's governor has sent Milwaukee Brewers helicopters to assist firefighters . The fire 's spread is `` unprecedented '' for the area , a spokeswoman says .