IN Explosion Kills 2, Destroys Dozens of Homes

    What turned a neighborhood into a charred pile of rubble?  They still don't know in Indianapolis, days after Saturday night's deadly explosion.

    FOX News Radio's Jennifer Keiper has more:

    Audio clip:

    Investigators have ruled out a plane crash, a bomb or a meth lab as the source of the explosion in an Indianapolis subdivision, and there's no sign there was a gas leak.  Two people were killed.

    At a candlelight vigil for second grade teacher Jennifer Longworth and her husband:

    (Parents & Student) "She just loved her job.  She was good with all of the kids, and just did an excellent job."//"She was quiet and she would always read stories."//"It's just so tragic.  It's such a senseless loss."

    Officials say as many as 31 homes have been so badly damaged in the blast they may have to be demolished.

    Jennifer Keiper, FOX News Radio.