One Battle After Another, the film starring Leonardo DiCaprio, Benicio del Toro and Sean Penn, has been 20 years in the making, according to its filmmaker Paul Thomas Anderson.

DiCaprio stars as Bob, a paranoid ex-revolutionary living off-grid, who reunites with former accomplices as he's forced to confront an old nemesis after his daughter goes missing.

Director Anderson came up with the idea for the film, which also stars Teyana Taylor and Regina Hall, more than two decades ago, loosely inspired by Thomas Pynchon's 1990 novel Vineland.

DiCaprio, who won an Oscar in 2016 for survival epic The Revenant, told the BBC the film reflects what he sees as the growing polarisation in society.

"It holds a mirror up to society and talks about the divisiveness in our culture and the fact that there's so much polarity."

The Wolf of Wall Street actor explained that while he doesn't feel like there's a central message to the film, "there's an interesting undercurrent about extremism".

"It's political without making it feel like medicine," he adds.

The Usual Suspects actor del Toro plays martial arts instructor Sergio, who comes to Bob's help when he's under threat.

He explains that the film "says........

© BBC