PauseAI UK is holding a March Against AI Extinction on 21st November.
It will be the largest demonstration for AI safety in the world, by a substantial margin. I really hope that almost everyone in the London AI safety community will be there. If you know people in the UK, please ask them to go.
Related: There is a March for an AI Treaty in three cities in the US on Nov 14, put on by Stop the AI Race.