Indianapolis blast under investigation

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    FILE - This aerial file photo from Nov. 11, 2012, shows the two homes that were leveled and the numerous neighboring homes that were damaged from a massive explosion that sparked a huge fire and killed two people in Indianapolis. Authorities launched a homicide investigation Monday, Nov. 19, 2012 into the house explosion that killed a young couple and left numerous homes uninhabitable in an Indianapolis neighborhood. (AP Photo/The Indianapolis Star, Matt Kryger, File) NO SALES

    FILE - This aerial file photo from Nov. 11, 2012, shows the two homes that were leveled and the numerous neighboring homes that were damaged from a massive explosion that sparked a huge fire and killed two people in Indianapolis. Authorities launched a homicide investigation Monday, Nov. 19, 2012 into the house explosion that killed a young couple and left numerous homes uninhabitable in an Indianapolis neighborhood. (AP Photo/The Indianapolis Star, Matt Kryger, File) NO SALES

    Splintered beams and boards on a piece of charred earth were all that

    remained Nov. 11 where at least two Indianapolis homes were leveled in a

    blast that killed two people and rendered homes for blocks

    uninhabitable. The explosion is currently under homicide investigation.