Opium poppy stalks and heads
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Burma opium cultivation up again

31 October 2012 Last updated at 23:11 GMT

Opium poppy cultivation in Burma has increased for the sixth year in a row, according to a report from the United Nations.

The UN Office on Drugs and Crime says the country harvests nearly a quarter of the global opium crop, confirming its place as the world's second largest producer.

Jonah Fisher reports from neighbouring Thailand.