The British director Ken Loach turned 75 this year and to celebrate 50 years of his film making the British Film Institute is holding a retrospective of his work.

Asked about the political drive in his films, Ken Loach tells Sarah Montague that he has not softened with time. He also explains why he believes that the world follows a downward spiral towards economic chaos and alienation.

You can watch the full interview on Thursday 22 September on BBC World News at 03:30 GMT, 08:30 GMT, 15:30 GMT and 20:30 GMT. And on BBC News Channel at 0030 and 04:30 BST on Friday 23 September.

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