MILWAUKEE — A five-alarm fire tore through Lincoln Avenue School on Milwaukee's south side Tuesday, heavily damaging the more than 100-year-old building and leaving families uncertain about what comes next. Firefighters battle fire at Lincoln Avenue School More than 100 firefighters battled the blaze from early Tuesday morning well into the afternoon, knocking out power in the neighborhood for a short time. No injuries were reported. No cause has been determined at this time.