Explosion at GM Tech Center in Warren

WARREN, Mich. (WXYZ) - An explosion rocked a lab facility on the campus of GM's Technical Center in Warren Wednesday morning.

At least one person was taken to a nearby hospital and five others were treated at the scene.

All employees were evacuated from building number 2-7, a lab at the Alternative Energy Center.

 GM says the explosion occurred during extreme testing of a prototype battery.

GM released the following statement:

An incident occurred about 8:45 a.m. Wednesday inside a test chamber at the General Motors Alternative Energy Center during extreme testing of an experimental battery.

Chemical gases from the battery cells were released and ignited in the enclosed chamber. The battery itself was intact. The battery tested and the incident have no connection with the Chevrolet Volt or any other GM production vehicle.

Employee safety is a priority at GM. Employees were evacuated from the building where the incident occurred. Five people were evaluated by medical personnel; one has been admitted to an area hospital for treatment.

Warren Mayor Jim Fouts calls the explosion a "major blast" that blew out three large windows and eight-inch doors. There were 80 people in the general area at the time of the explosion.

Stay with WXYZ.com for updates.

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