Elon Musk arrives for a bipartisan Artificial Intelligence (AI) Insight Forum for all US senators hosted by Senate Majority Leader Chuck Schumer at the US Capitol.

Elon Musk calls for AI 'referee' as tech moguls gather for regulation forum at US Capitol

The heads of some of the biggest tech companies, including X, Meta, Microsoft, Alphabet and OpenAI, gathered to discuss AI policy in Washington DC.