Just before 3 pm Truck 831 and Engine 841was alerted to 13009 Mistletoe Spring Road in Laurel for a fire in the building. Truck 831 and Engine 841 arrived on the scene and immediately went to work with heavy fire on the top floor of the apartment building with extension to the attic. The fire was upgraded to a 2nd alarm soon after units began attacking the fire and eventually going to 3 alarms. Units were ordered to evacuate the building due to a structural collapse in the fire building. No injuries were reported.