Coronavirus May 4, 2021 5:24 pm More Venues Reopen as LA County Moves Into Yellow Tier Business owners are breathing a sigh of release. John Cádiz Klemack reports for the NBC4 News on Tuesday, May 4, 2021. US & World Videos 3:18 Cup of water leads to OC marathon disqualification 5:00 Demonstrations disrupt classes at UCLA 2:36 Law enforcement officers on UCLA campus as students return 1:57 Hazmat team responds after two people are found dead in Northridge 18:12 Police begin to clear protesters from USC campus