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Former NY Mayor Michael Bloomberg's battle against tobacco firms

As many developed countries around the world, including the UK, introduce tighter restrictions on tobacco sales, the billionaire and former Mayor of New York, Michael Bloomberg, has told the BBC of his determination to combat the spread of smoking in poorer countries.

He has helped launch a multi-million dollar fund to back legal battles against tobacco companies in the developing world.

Wyre Davies' report from Uruguay contains some flashing images.

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