More research on the threats of artificial intelligence (AI) "needs to be done urgently", the boss of Google DeepMind has told BBC News. In an exclusive interview at the AI Impact Summit in Delhi, Sir Demis Hassabis said the industry wanted "smart regulation" for "the real risks" posed by the tech. Many tech leaders and politicians at the Summit have called for more global governance of AI, ahead of an expected joint statement as the event draws to a close. But the US has rejected this stance,