"MIDDLETON, Mass. -- An explosion and four-alarm blaze at a local manufacturing plant last night rocked homes for miles around, sent four workers to the hospital, and left local environmental officials concerned about chemical contamination to the nearby Ipswich River."
Taylor S. Gearhart, Aaron Lester, and Emma Stickgold report for the Boston Globe March 14, 2011.
Source: Boston Globe, 03/14/2011
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