American power, AI and a walkout - key moments from Trump's UN speech

To play this video you need to enable JavaScript in your browser. Figure caption, Watch: Trump threatens to'annihilate' Iran if no deal reached US President Donald Trump returned to the stage at the United Nations on Tuesday, where he touted his administration's policies in front of world leaders and issued pointed threats to some of those gathered in the room. The lengthy speech was wide-ranging, covering the war in Iran, AI, Cuba and the role of America's military. The BBC's correspondents who covered the address have picked five key moments that stood out. The US president has no great respect for the United Nations - he accused it of imposing a far-left agenda - but he does relish the global platform it gives him.