AAPI Heritage Month May 10, 2024 5:59 pm Mandarin immersion program gaining popularity in Orange County An Orange County school district is helping young students learn one of the hardest languages to master: Mandarin Chinese. NBC Los Angeles’ Hetty Chang reports. US & World Videos 3:02 Gorman-area fire burns at least 3,500 acres 1:39 Firefighter killed in Antelope Valley fire was a 19-year veteran of the force 1:44 Free summer camp by Compton natives to teach coding, aviation 1:40 Firefighter killed in Antelope Valley vehicle explosion 0:27 Who saved this owl stuck in a tree? Watch OC firefighters come to the rescue