By Jamie Sotonoff and Melissa Silverberg, Daily Herald Police confirmed that the one person killed in an explosion at Arens Controls in Arlington Heights is an Itasca man. Investigators will be back Wednesday to try to determine what caused the explosion in the company’s electronics testing area Tuesday that also injured 12 other people, including … Continue reading 1 Person Killed & 10 Injured at Arens Controls, Arlington Heights, Illinois Plant