May 12, 2016 11:25 pm Traces of Metal Found in Porter Ranch Homes A study is expected to be released Friday, outlining findings after a gas leak in Porter Ranch. Robert Kovacik reports for the NBC4 News at 11 p.m. on Thursday, May 12, 2016. US & World Videos 2:13 Israel strikes Rafah as tentative ceasefire deal stalls 2:29 UCLA pro-Palestinian protesters released from jail 2:45 Family of man shot by LA deputies demands justice 0:46 Oscar presented to LAUSD music repair shop team 1:00 Family of man shot by LA deputies demand justice