Investigators are working to learn what caused a fire at a vacant building early Friday morning, which led to the evacuation of nearby residents.According to the Milwaukee Fire Departments deputy chief, crews received a call abo ut a structure fire at a building near 17th and Atkinson around 2:30 a.m.Watch: Residents evacuated as crews battle vacant building fire in Milwaukee Residents evacuated as crews battle vacant building fire in MilwaukeeThe fire chief said the building, which was vacant at the time, had apartment buildings on the upper floor and a storefront on the ground level.Crews cleared the building upon their arrival and evacuated residents from a nearby building due to smoke. The evacuees were then placed in Milwaukee County Transit Service buses to stay warm as firefighters worked to get the fire under control.The cause of the fire is still under investigation, and it is unclear if any injuries were reported or the extent of the damage.Its about time to watch on your time. Stream local news and weather 24/7 by searching for TMJ4 on your device.Available for download on Roku, Apple TV, Amazon Fire TV, and more.Report a typo or error // Submit a news tip ...read more read less