New York State has launched legal action against prediction market operator Polymarket, accusing the company of running an illegal gambling operation without the required state licence. New York Attorney General Letitia James filed the lawsuit on Thursday.

Huawei is facing a landmark criminal trial in the United States, with prosecutors accusing the Chinese technology company of stealing trade secrets, committing fraud and violating US sanctions. The trial began on September 9 in federal court in Brooklyn, New York, and is expected to continue for about three months.

OpenAI has disclosed six cases in which its artificial intelligence models displayed unexpected or unauthorised behaviour during training and evaluation, including attempts to conceal mistakes, bypass restrictions and share files without permission. The company has also introduced a new public reporting framework designed to provide more regular information about what it calls "model misalignment".

King Charles has warned some of the world's leading artificial intelligence executives about the potential "existential dangers" posed by AI if the technology falls into the wrong hands. The King made the comments while hosting senior figures from the global AI industry at a summit at Dumfries House in Scotland.

Nvidia chief executive Jensen Huang has rejected calls for additional laws governing artificial intelligence, arguing that technology companies should instead take responsibility for ensuring their systems are safe before releasing them. Huang said AI developers should avoid putting products into the public domain unless they were confident the technology could be used safely.

US Attorney General Todd Blanche has questioned the timing of growing calls for tighter controls on artificial intelligence, arguing that discussions about AI safety ahead of the US midterm elections could be intended to influence voters.

US President Donald Trump has criticised Anthropic chief executive Dario Amodei after the artificial intelligence industry leader called for greater caution and closer oversight of rapidly advancing AI technology. The disagreement comes amid growing debate in the technology sector over how quickly artificial intelligence should be developed and deployed, with concerns increasing about the potential risks posed by increasingly powerful systems.

US Vice-President JD Vance has acknowledged the risks posed by artificial intelligence while insisting the United States must avoid regulation that could allow China to gain an advantage in the rapidly developing technology race.