May 20, 2015 6:25 pm Bomb Threat Closes Federal Building Streets were shut down in downtown Los Angeles after a possible bomb in a backpack at the federal building. Conan Nolan reports for the NBC4 News at 5 p.m. on Wednesday, May 20, 2015. US & World Videos 1:00 Family of man shot by LA deputies demand justice 2:33 UCLA shifts to remote classes after protesters detained 2:17 Orange County community reacts to cease-fire proposal 2:45 Israel strikes Rafah as tentative ceasefire deal stalls 2:28 Families hope for ceasefire agreement and hostage release
