By
TOM PARSONS
2010-09-01T19:18:47Z
LITTLE ROCK, Ark. (AP) -- A fire that did $20,000 in damages to a northeast Arkansas home wasn't caused by an electrical problem or burning food or arson, an insurance investigator concluded. Instead, the dead plants did it, according to a report summary provided to the homeowner, Brian Duncan. "The fire was caused by self-heating through decomposition of organic materials contained within a plastic flowerpot," the Aug. 25 letter from State Farm Insurance Co. said....