More than a dozen states and D.C. have filed lawsuits against TikTok, alleging the app is harming youth mental health by designing its platform to be addictive to kids.

Lawsuits filed by 14 attorneys general argue that TikTok knowingly worsens the youth mental health crisis and places profits over child safety.

A bi-partisan group of 14 attorneys general filed a lawsuit against juggernaut TikTok for misleading the public about the safety of its platform and harming young people’s mental health.

More than a dozen states and the District of Columbia filed lawsuits against TikTok on Tuesday.