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Ahna McCue and her daughter Emily attend a candlelight vigil, Sunday, Nov. 11, 2012, at Southwest Elementary School in Greenwood, Ind., for teacher Jennifer Longworth. Officials did not identify the two people who were killed in a blast on Saturday. However, a candlelight vigil was held for second-grade teacher Jennifer Longworth. She and her husband, John Dion Longworth, lived at a home destroyed in the blast. (AP Photo/The Indianapolis Star, Rob Goebel)

Indianapolis blast under investigation

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.