Ontario August 4, 2022 5:20 am Commercial Fire Burns Building in Ontario Flames reportedly first erupted in a truck yard on the west side of the building, before they spread to the interior of the building. US & World Videos 2:42 Executive staff to LA County DA accused of mishandling confidential police files 2:58 UC Irvine students launch solidarity encampments 2:36 Student's mother tries to stop vandalism at USC 3:45 Walkout supporting pro-Palestinian protesters at UCLA 3:22 USC activists request emergency campus student dialogue