TikTok posts referencing violence raise anxiety at schoolsBy KANTELE FRANKO and MATT O'BRIEN (Associated Press)COLUMBUS, Ohio Dec. 17, 2021 6:37 p.m.📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up