 Several middle school students in Chester County, Pennsylvania have been suspended over fake TikTok accounts impersonating their teachers. School officials wouldn't go into many details about the suspensions, but said local law enforcement are aware. It's very hard to identify the creation of these online accounts, and some we may never figure out. We're doing our best. Great Valley School District Superintendent Daniel Giofrido, officials say the accounts contain disturbing content. I'm Sherry Preston, ABC News.