Rishi Sunak says AI has "the potential to transform our lives", but that it may pose risks at the scale of "pandemics and nuclear war". The prime minister adds that world leaders have the responsibility to protect people from its dangers, as he arrives for the closing day of the AI Safety Summit in Buckinghamshire. Report by Brooksl. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn