LAPD April 28, 2024 8:08 am LAPD on alert amid ongoing protests, vandalism at USC Protests at USC have calmed down overnight after the LAPD issued a city-wide tactical alert. Annette Arreola reports for the NBC4 News on April 28, 2024. US & World Videos 1:33 Memorial grows for former MLB player Sean Burroughs 2:37 Cancer lifeline for Vietnamese Americans in Orange County 2:43 High school in Pasadena mourns students killed in crash 2:42 Teen on scooter killed by suspected drunk driver in Long Beach 3:45 Protest outside of Pomona College's graduation ceremony