Rescue crews using dogs and imaging equipment continued to search through the rubble Saturday.
WPVI-TV / 6ABC VIA AP
In this screen grab from video provided by WPVI-TV/6ABC, smoke rises from an explosion at the R.M. Palmer Co. plant in West Reading, Pa., Friday, March 24.WPVI-TV / 6ABC VIA AP
In this screen grab from video provided by WPVI-TV/6ABC, smoke rises from an explosion at the R.M. Palmer Co. plant in West Reading, Pa., Friday, March 24.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Friday, March 24.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Friday, March 24.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Friday, March 24.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Friday, March 24.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Friday, March 24.ASSOCIATED PRESS
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Saturday, March 25.ASSOCIATED PRESS
Emergency personnel and heavy equipment work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Saturday, March 25.READING EAGLE VIA AP
Emergency personnel work at the site of a deadly explosion at a chocolate factory in West Reading, Pa., Saturday, March 25.
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