. >> meanwhile nine fill dell fans died of heroin over doses over the weekend, mostly in kensington where needles and drug addicts. there is a crisis now. investigators have searched 70% of the building in oakland california but the sheriff doesn't think they'll find more bodies. the death toll is 36 in the wake of a dance party late friday night. the district attorney is part of the investigation to determine whether or not a crime was committed. charges could range from murder to involuntary manslaughter. officials don't know yet what sparked the blaze. "action news" reporter jeanette reyes is live in center city philadelphia. when something like this happens anywhere, it gives people pause everywhere. >> jamie, it's an incident that has left many in shock. the safety officials speaking out in light of what happened in oakland, urging people to take initiative and be aware of an exit strategy. for some it came as a reminder. for others, they say it's something they don't think about. >> with the attacks that happen on college campuses, schools, venues, you have to know. >> tonight in ch