At 10 am this morning Truck 4 was dispatched into Wilmerding for a fire alarm activation at an apartment complex that houses individuals with disabilities. While Truck 4 was enroute to the call units were updated by both the County Police and Fire dispatchers that there was a moderate smoke condition at the front entrance. Police where unable to make entry due to a heavy smoke condition in the common hallway. Engine 306 arrived and found a working fire in the laundry room. Truck 4 was tasked with primary searches, assisting residents from the building, placing ground ladders and assisting with ventilation and overhaul.