TikTok October 8, 2024 4:56 pm California joins 13 other states in suing TikTok California and 13 other states accuse the social media platform TikTok of damaging young users’ mental health. Conan Nolan reports for the NBC4 News at 3 p.m. on Tuesday, Oct. 8, 2024. US & World Videos 2:51 Billie Eilish kicks off night one of LA tour at the Kia Forum 1:41 Three injured after dog attack at a Norwalk home 2:28 New surveillance of gunman in barbershop shooting in Mission Hills 5:55 NewsConference: Can California move past its struggles? 6:12 NewsConference: LA city attorney on sanctuary city status, goals for next year