Prime Minister Rishi Sunak has said "we can't be certain" about the risks of AI but there is a possibility they could be on a similar scale to pandemics and nuclear war.However, speaking as he arrived at the UK's tech summit in Bletchley Park, he said it is important not to be "alarmist" because the debate is ongoing.

Prime Minister Rishi Sunak has said "we can't be certain" about the risks of AI but there is a possibility they could be on a similar scale to pandemics and nuclear war.However, speaking as he arrived at the UK's tech summit in Bletchley Park, he said it is important not to be "alarmist" because the debate is ongoing.