Manufacturing, Manufacturing Plant Marshalltown, IA – Early morning fire at manufacturing facility contained by sprinkler system January 11, 2019 viking210 The Marshalltown Fire Department responded to a manufacturing facility filled with smoke early Tuesday morning. Around 5:15 a.m. Tuesday, the Marshalltown Fire Department was dispatched to Bruin Manufacturing located at 607 N 4th Avenue for an automatic fire alarm. Upon arrival, fire crews found nothing visible from the exterior and water flowing from a sprinkler drain on the front of the building. Upon entry to the building, it was found to be charged with smoke. Once suppression equipment was in place, the entry team found a single machine on fire with a sprinkler head activated above the fire keeping the fire contained. Fire personnel extinguished the remaining fire with a single attack line without incident. The fire was caused by a hydraulic line failure and ignition of the petroleum based hydraulic fluid. The building was not occupied at the time of the fire, there were no injuries associated with the incident. Marshalltown Police, Unity Point EMS, and Alliant Energy assisted at the scene. Fire Department units were at the scene for approximately 90 minutes