An explosion at an Iowa plant has left at least 10 people injured. In a release from the city of Marengo, the explosion and resulting fire happened at 810 E. South Street at 11:16 a.m. Emergency vehicles form multiple counties were on the scene to help. According to KCRG News, the affected building houses C6-Zero, a company that takes used roofing shingles and converts them into biodiesel and other products. In an article from ABC News, no fatalities have been reported, but 10 to 15 people were taken to a local hospital to have their injuries treated. Dr. Theresa Brennan, chief medical officer for University of Iowa Hospitals & Clinics, said only one patient from the explosion was in serious condition.