Multiple emergency crews responded to a report of a structure fire at 902 East Montgomery Street in Knoxville this morning.

As crews arrived on the scene just before 8:30, flames were seen coming from a second story window and back upper portion of the home. Knoxville Fire and Rescue, Knoxville Township Rural Fire, Pella Fire, Pella Ambulance, Knoxville Police, Marion County Emergency Management and Alliant Energy responded. The fire was extinguished just after 9:30 a.m., but the cause is unknown. Stay tuned to KNIA/KRLS as information becomes official.