Social media executives could be held personally liable for harmful content distributed on their platforms, leaked plans for a long-awaited government crackdown obtained by the Guardian reveal.

There has been growing concern about the role of the internet in the distribution of material relating to terrorism, child abuse, self-harm and suicide, and ministers have been under pressure to act.
https://www.theguardian.com/technology/2019/apr/04/social-media-bosses-could-be-liable-for-harmful-content-leaked-uk-plan-reveals