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 2:34 Rose Parade floats ready for test drive ahead of New Year's Day 2:40 Man arrested after police shooting and standoff in Eagle Rock 3:12 Educator accused of sexually abusing 8 students in Ventura County 0:38 Teen bicyclist dies in possible road rage crash in Exposition Park 1:54 One person in custody following shooting in Eagle Rock