A parents’ rights group led by a former Trump administration official is launching a new ad Friday warning of the dangers of TikTok ahead of a potential House vote regarding the app.

The American Parents Coalition is spending $500,000 on a mix of television and digital ads in Washington, D.C., as well as in Pennsylvania, Ohio and Montana, all states where an incumbent Democratic senator is up for reelection. The details of the ad buy were shared first with The Hill.

Read more at The Hill.