Indianapolis Power incidnet update
...Fire investigators and IPL officials said today that an unusual confluence of factors resulted in the large amount of damage to the Bookland store, 137 W. Market St....
http://www.indystar.com/articles/3/209396-8983-092.html
Ping to post #2633 for good article, re: Explosions in Downtown Indy - tip o' the hat to 4thygipper!