SIOUX FALLS - At approximately 2:15 am, Sioux Falls Fire Rescue responded to a fully involved structure fire at 531 N Minnesota Ave.

When fire crews arrived they reported heavy flames and smoke coming from the first and second floor of a two story residence.

Sioux Falls Fire Rescue responded with 4 fire trucks and three support vehicles. Firefighters worked for 40 minutes to bring the fire under control.

An aerial apparatus was used from the exterior of the now unsafe structure to to finish extinguishing the fire.

The cause of the fire is under investigation.