SIOUX FALLS, SD (KELO) -- A Sioux Falls business has severe damage following an early morning fire. Fire Rescue responded to the fire at a commercial building in the 3600 block of West Hovland Drive just before 3 a.m. Saturday. The fire was burning throughout a large shop section of the building by the time crews arrived. Fire Rescue says fighting the fire was difficult due to its size as well as the construction of the building and the contents inside. No one was hurt. The cause is under investigation.