(UPDATED) (Pottawattamie County, Iowa) – Firefighters responded to a train on fire late Sunday night (Monday), in Pottawattamie County. The incident occurred a little before midnight, near Hancock. The Oakland and Avoca Fire Departments were called-in for mutual aid. Officials say the fire was contained to the exhaust compartment of the train. The flames were quickly extinguished. The cause of the fire remained under investigation.