Two Republican U.S. senators called for a congressional investigation into Meta Platforms on Thursday after Reuters exclusively reported on an internal policy document that permitted the company’s chatbots to “engage a child in conversations that are romantic or sensual.

A leaked internal document shows that Meta’s AI bots were allowed to generate harmful and inappropriate content.

The cursor and the damage done. Neil Young, 79, has announced that he is leaving Facebook over the platform’s internal policies regarding communications between artificial intelligence chatbots and children.

Meta is planning its fourth overhaul of artificial intelligence efforts in six months, The Information reported on Friday, citing three people familiar with the matter.