July 10, 2012 5:32 am 4-Alarm Fire Rips Through Vacant Factory The blaze broke out in the Northern Liberties building just before 2:30 a.m. The fire has the El and trolley shut down in the area. A firefighter was injured when he fell while fighting the blaze. US & World Videos 1:56 Pro-Palestinian encampment at Penn enters ninth day 8:59 Raise a julep to the Kentucky Derby: The Lineup 0:32 Five people arrested in 2006 Philadelphia cold case 0:19 Body of missing kayaker found in the Schuylkill River 2:00 Police officer placed on administrative duty after killing dog that attacked a man