A ceiling collapsed on top of firefighters battling a duplex fire in Green Bay. Officials say they were able to self-rescue and no firefighters were injured. Fire crews were called to the duplex fire on Beach Tree Drive around 5:40 a.m. The right side of the duplex was fully engulfed in flames and the cars inside the garage were destroyed. Everyone who lived in the duplex was able to get out safely. The American Red Cross is assisting those displaced. An investigation is underway.