Police officers walk near the debris of the previous day's explosion at a townhouse complex in Ewing, N.J. on Wednesday, March, 5, 2014. Investigators are looking to determine what triggered a

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Police officers walk near the debris of the previous day's explosion at a townhouse complex in Ewing, N.J. on Wednesday, March, 5, 2014. Investigators are looking to determine what triggered a natural gas leak and explosion that devastated the development, killing one woman and injuring seven workers. (AP Photo/Mel Evans)

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Associated Press
Thu, Mar 6, 2014 12:35 PM EST