December 8, 2015 5:33 pm Working Smoke Detector Helps Save 7 Lives After a fire broke out Tuesday morning in the Frankford section of Philadelphia, a fire alarm went off, alerting the residents and allowing everyone to get out alive. US & World Videos 9:46 Another NJ earthquake: The Lineup 2:54 Penn leaders reiterate to pro-Palestinian protesters that they need to pack up camp 1:44 Pro-Palestinian protesters remain on UPenn's campus despite warnings to disband 1:30 Protests calling for ceasefire continue at Penn 6:33 Family affair: Former Eagle and new Eagle Jeremiah Trotter and Jeremiah Trotter Jr. speak out