From the Lisle-Woodridge FPD Facebook page:
At 21:01 hours on Tuesday, April 21, 2020, the Lisle-Woodridge Fire District was notified by way of an activated fire alarm and dispatched to 4711 St. Joseph Creek Road, Lisle. Upon arrival, heavy fire and smoke were reported, and the status was upgraded to a structure fire. Four units of the building were ultimately determined to be uninhabitable due to smoke and water damage. One resident of the apartment of origin was transported to Edward Hospital with non-life threatening injuries. No other injuries to any civilians or emergency personnel were reported.