In the midst of a hot and humid Sunday afternoon, Box 1-4 toned out for a reported structure fire in the area of 13th and Swatara Streets in Allison Hill. Squad 8 went responding and reported a column from 13th and Derry Streets. Additional info indicating rapid calls being received and possible entrapment on the third floor. Squad 8 went on location with a good fire on the second floor of a 3 story, row home and requested and additional alarm. Captain 4 (Wise) gave the County the go ahead to strike the first alarm. A handline was quickly stretched to the second floor of 351 S. 13th Street where a rear room was going. The primary search was quickly conducted with negative results. A second handline was put in service into the exposure. An aggressive attack quickly knocked down the bulk of fire in about 8 minutes with limited extension. The fire was placed under control in about 15 minutes and displaced several residents.