GM: Incident at Detroit factory injures 3

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General Motors (NYSE:GM) said Wednesday three workers were injured in an incident at a factory in Detroit.

Three people involved in maintenance work at the GM Detroit-Hamtramck Assembly Plant sustained injuries that are not believed to be life threatening, the company said in a statement to Fox News. The incident, which was under investigation, occurred before 10 a.m. ET.

Emergency crews received a report of a possible minor explosion Wednesday morning, according to Fox 2 Detroit. Authorities told Fox 2 that a filter pump on a rust inhibitor tank exploded.

GM’s Detroit-Hamtramck plant builds multiple sedan models, including the Chevrolet Impala and Cadillac CT6. The plant is also responsible for producing the Chevrolet Volt plug-in hybrid.