HUTCHINSON, MINN. – An explosion at a 3M Co. plant in Minnesota injured three people Thursday, one of them seriously, authorities said.
Hutchinson Police Chief Daniel Hatten said a piece of equipment malfunctioned about 1:30 p.m. Thursday.
One person was seriously hurt in the ensuing blast, while the other two suffered minor injuries. All three victims were taken to hospitals.
A 3M representative said the equipment became "upset in the cooling process." Part of the plant was closed while the incident was investigated.
Hutchinson is about 60 miles southwest of Minneapolis.
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