Engine 11 and Battalion Chief 4 were dispatched to 2034 20th St., NW for the Building fire in the early morning hours of Christmas. Engine 11 arrived shortly after dispatched and picked-up Engine 1's line. Engine 11 advanced the 350' attack line into the building. Units found fire on the third floor. A Working Fire Dispatch was requested brining Truck 6. Units operated for 2 hours. This is the third fire in this embassay in the past year.