SIOUX FALLS, S.D. (KELO.com) -- Things are starting to quiet down in northwest Sioux Falls after multiple explosions and fire rocked A-OX Welding Supply Company.
The evacuation order has been lifted and residents can return to their homes.
Division Chief Steve Fessler says there were no injuries to civilians or fire fighters during the incident.
The fire was isolated outdoors and did not extend into the structure itself. Although it was hot enough inside the building that the sprinkler system was set off.
Fire inspectors are on scene along with ATF officials trying to determine the cause of the blaze.
Fire crews will remain on site to contain the small spot fires that remain and ensure things cool down.