A criminal investigation was opened by the Paris police’s cybercrime unit at the end of October, Delaporte wrote in a press release welcoming the news.

“Our commission’s empirical observation is that of an algorithmic trap that, in just a few interactions, increases exposure to harmful, anxiety-inducing, and depressing content,” he previously said.

TikTok is regulated as a Very Large Online Platform by the European Commission under the EU’s Digital Services Act. The EU has been investigating TikTok for lapses in the protection of child users.

A TikTok spokesperson strongly refuted the accusations and legal grounds raised in the press release by the Paris Prosecutor and said they intend to “vigorously defend our record.”

“With more than 50 preset features and settings designed specifically to support the safety and well-being of teens, and 9 in 10 violative videos removed before they’re ever viewed, we invest heavily in safe and age-appropriate teen experiences,” they added.

The Commission did not immediately respond to POLITICO’s request for comment.

This article has been updated.