Ariel view of the chemical tank at GKN Aerospace in Garden Grove, Calif., on Wednesday.
William Liang/AP
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William Liang/AP
Federal authorities served a search warrant on Wednesday at a Southern California aerospace facility where a chemical tank overheated last month, forcing 50,000 residents to evacuate because authorities feared an explosion.
Ariel view of the chemical tank at GKN Aerospace in Garden Grove, Calif., on Wednesday.
William Liang/AP
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William Liang/AP

FBI seizing evidence at California plant where chemical tank overheated and forced evacuations

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