Watch extracts from Michael Caine's new film Harry Brown

Set in modern-day Britain, Harry Brown follows one man’s (played by Sir Michael Caine) journey through a chaotic world where drugs are the currency of the day and guns run the streets.

Brown is retired marine and widower who lives alone on dilapidated housing estate.

When his only friend Leonard (played by David Bradley) is murdered by a gang thugs Harry is compelled to act and administers his own brand of justice.

In a bid to, as he sees it, 'clean up' the estate he comes into conflict with the police, led by investigating officer DCI Frampton (played by Emily Mortimer) and Charlie Creed-Miles.

In Cinemas November 11th

Watch the trailer and new clips from the movie below:

Trailer: Harry Brown

Movie Clip: He's got a gun

Movie Clip: Frampton and Hickock