It was held at Bletchley Park, Milton Keynes, United Kingdom, on 1–2 November 2023.[5] 28 countries at the summit, including the United States, China, Australia,[6] and the European Union, have issued an agreement known as the Bletchley Declaration,[7] calling for international co-operation to manage the challenges and risks of artificial intelligence.[8] The Bletchley Declaration affirms that AI should be designed, developed, deployed, and used in a manner that is safe, human-centric, trustworthy and responsible.[9] Concerns that have been raised at the summit include the potential use of AI for terrorism, criminal activity, and warfare,[10] as well as existential risk posed to humanity as a whole.The president of the United States, Joe Biden, signed an executive order requiring AI developers to share safety results with the US government.[12] The tech entrepreneur Elon Musk and Sunak did a live interview on AI safety on 2 November on X.