May 5, 2015 5:42 pm Investigators Release Official Cause of Mobile Home Fire A deadly house fire killed three members of the same family in West Caln Township Monday. NBC10’s Deanna Durante has the latest on the official cause of the fire. US & World Videos 2:54 UPenn leaders reiterate to pro-Palestinian protesters that they need to disband 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 0:20 Teen girl shot in Southwest Philly, suspect in custody