CEDAR RAPIDS, Iowa (AP) — Authorities say at least four occupants and one firefighter were injured in a fire at an apartment building in central Cedar Rapids. Firetrucks were dispatched to Hawthorne Hills Apartments around 8:30 a.m. Thursday with reports that several occupants were trapped on the second floor of a 16-unit building. Firefighters used ladders to reach the second floor, encountering flames and heavy smoke as they entered.

A city news release says firefighters carried one man out of the complex. Three other adults also were taken to hospitals. The release says one firefighter suffered a non-life-threatening injuring while battling the blaze. The fire cause is being investigated. The names of the injured haven’t been released.