MISSOULA, mont. -

  Fire crews responded to fire at KOFI broadcast studio in Kalispell early Thursday morning.  Fire chief Dave Dedman said the fire was mostly on the main floor.  There is smoke and water damage throughout the building.

   The fire department estimates damage from the blaze to be $15,000.  Dedman says a preliminary investigation indicates the cause of the fire was electrical.  The radio station will be off air until the electrical system is repaired.

  No injuries were reported.