The Australian prime minister, Malcolm Turnbull, has fun at the expense of the US president, Donald Trump, cracking jokes about the Russia inquiry and ‘fake polls’. Leaked video and audio of Turnbull’s off-the-record speech – which was also self-deprecating about his own poor opinion poll ratings – shows him impersonating the US president’s unique oratorical style

• Turnbull was laughing at himself as much as at Trump – and the world should hear him