Oscar-winning documentary maker Michael Moore has said his latest film about Donald Trump is “a siren call” to a “despairing, dispirited public”.
Moore’s film Fahrenheit 11/9 explores why Mr Trump beat Hillary Clinton in the US presidential election.
Its title refers to 9 November 2016, the day of the election result, as well as his 2004 film Fahrenheit 9/11.
His new film premiered at the Toronto Film Festival, where he said: “We are in a war to get our country back.”
The documentary film-maker won an Oscar in 2003 for Bowling for Columbine, about the 1999 Columbine High School shootings and US gun culture.
A year later, he made Fahrenheit 9/11, about the presidency of George W Bush and the War on Terror.
Variety’s critic said Moore was attempting to use his new film to send a “warning” to US voters, urging them to “take action now”.
It includes footage of Adolf Hitler, using Mr Trump’s words alongside videos of Hitler’s rallies.
The Hollywood Reporter said: “Moore insists he isn’t making a direct comparison between Trump and Hitler but rather making ‘a serious point about fascism’.”
It quotes the director as saying: “The fascists of the 21st Century will convince the people to go against their own interests by using television and branding. I don’t think we should be afraid to call this out for what it is.”
In the film, Moore also returns to his home town of Flint, Michigan, where there was a water crisis in 2016 when lead was found in…