Shortly after 1800 hours Box 301 sent companies to 2705 Canby Street for a structure fire. Engine 30 (Penbrook) arrived at the location with a working fire in an occupied, 2 story, dwelling and took a position on side A. Harrisburg Tower 1 went in service on the A/D corner. An interior attack with two hand lines were advanced on the fire involving the basement and first floor. As the fire extended into the attic and reports of a weakened first floor Command 30 ordered the evacuations tones. Exterior water lines knocked the bulk of the fire down in the attic. Members continued an interior attack and performed extensive overhaul before extinguishing the fire. All occupants were reported to be out of the building.