On Monday August 28 at 0825 hrs the Maplewood Fire Department responded to reports of heavy smoke coming from the rear of 1875 Springfield Ave. Deputy 4 arrived on the scene and confirmed a fire in the rear of an vacant 1-story building with heavy smoke coming from the building. As arriving firefighters began stretching hoselines to combat the fire police officers on the scene advised command of possible workers inside. Deputy 4 ordered a second alarm and firefighters conducted a primary search of the building. Workers were found to have exited the building prior to fire department arrival. Arriving mutual aid companies evacuated the gym and apartment building on either side of the fire building. The main body of fire was knocked down and the fire was declared under control at 0853 hrs. Extensive overhaul operations were conducted to ensure there wasnt extension to the apartment building and to ensure hot spots were extinguished. Despite this units that were previously released were recalled to the scene when fire investigators noted fire between the concrete ceiling and roof. This fire was extinguished and additional overhaul confirmed there were no hidden pockets of fire. The building which previously was occupied by a fish market is currently undergoing renovations. Maplewood received assistance at the scene from Irvington South Orange Millburn Union and East Orange fire departments and Montclair Union and West Orange provided coverage for the Township for the duration of the incident. No injuries were reported. The cause of the fire remains under investigation.