040199 : At 0348 hours box 724, Tulpehocken & W. Oley streets was transmitted for a dwelling fire at 674 Eisenbrown street. E11,E3,E9, L1, Sn1, R1, C3 & C6 responded. E3 arrived 2 minutes later and assumed 1st due, reporting a 2 story EOR dwelling fully involved with fire in the exposures and led of with a 2&1/2 inch attack line. Fire had entered a common ****loft and was also involving 668,670,& 672 Eisenbrown street. A 2nd alarm was struck bringing E1,E8,L3, C1 & C7 to the scene. Companies worked to control the fire in the 4 dwellings using numerous handlines and Snorkel 1's bucket. The fire was placed under control at 0610. The fire building was completely gutted and suffered a collapse of the 2nd floor rear. 668,670 & 672 suffered heavy damage to the 2nd floor and roofs. It was the 3rd arson fire at 674 Eisenbrown street in the last 7 months. Police are questioning 2 suspects in connection with the fire.