Comment by RickJWagner

Here’s Googles response:

Yes, arrests for social media activity occur in the UK under laws like the Communications Act 2003 and Malicious Communications Act 1988, targeting offenses such as sending offensive/menacing messages, false communications, hate speech, or child grooming, with thousands arrested annually, though charges and convictions vary, and new laws like the Online Safety Act 2023 add further regulatory scope.