May 16, 2018 12:14 pm Two Homes Searched in OC Medical Building Blast Investigators looking into an explosion at an OC medical building searched two SoCal homes. Eric Leonard reports for the NBC4 News at 11 a.m. on Wednesday May 16, 2018. US & World Videos 1:42 Shooting investigation at DTLA warehouse 3:20 Encampment remains on USC 1:39 Bicyclist killed in hit-and-run 3:43 Despite encampment's clearing, safety concerns linger at UCLA 4:09 Parents speak out after son's beating at LA juvenile hall