Downtown LA May 18, 2020 4:07 pm Federal Investigators Searching for Cause of Explosion and Fire in Downtown LA Twelve firefighters were hurt in the explosion and fire. Kim Tobin reported on NBC4 News at 4 p.m. on Monday, May 18, 2020. US & World Videos 0:43 LA County releases sterile mosquitoes as warmer weather nears 2:42 Days before USC commencement, protesters still camped out on campus 0:34 Deadly crash damages church in South Los Angeles 1:42 Shooting investigation at DTLA warehouse 3:20 Encampment remains on USC
