Crews battled a structure fire for several hours late Saturday night in Kanawha County. The fire was reported about 10:45 p.m. at a multi-use building in the 300 block of Winfield Road in the West Side area. Firefighters said the building housed three apartments and two businesses, and was a total loss. Eyewitness News said three firefighters suffered from heat exhaustion and one was taken to the hospital. The cause of the fire is under investigation.