June 21, 2023 4:43 pm Major Hollywood unions join writers' march Several thousand people marched to the La Brea Tar Pits in support of the Writers Guild of America Strike. Tracey Leong reports for the NBC4 News on June 21, 2023. US & World Videos 3:02 Whittier teen is graduating high school after being a caretaker for his sick mom 0:50 Over 70 pets adopted at Pasadena Humane event 2:52 High bacteria levels affect several LA beaches 1:06 14-year-old girl killed after being hit by vehicle in Newport Beach 2:43 Monrovia bear repeatedly raids homes for snacks