ARLINGTON HEIGHTS, Ill. (AP)- Fire officials in suburban Chicago say an explosion at a factory in Arlington Heights has injured several workers.
Tom Zerfass of the Arlington Heights Fire Department confirms that some people were hurt in the explosion Tuesday, but he couldn’t confirm the number of injuries.
There’s no visible damage to the outside of the building.
Zerfass says it isn’t clear what caused the blast. He says fire crews are still investigating.
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