(Solway Township, MN) —  Space heaters may be to blame for a fire that destroyed a home Wednesday morning near Cloquet  in northeastern Minnesota.  The St. Louis County Sheriff’s Office says crews from six area fire departments and the Air National Guard battled the fire, but the house in Solway Township is considered a total loss.   The homeowner told firefighters that he was using three space heaters when the fire broke out.   No injuries were reported.