Police in the Hampshire village of Whitchurch have asked local shops to stop selling high-caffeine, high-sugar drinks to under-16s on Friday nights, after residents complained that it makes the youngsters hyperactive and rowdy.

The BBC's Mary Green visited Whitchurch to asked locals what they thought about the ban.

Tim Laing, professor of food policy at City University in London, and Richard Laming of the British Soft Drinks Association debate the pros and cons of fizzy drinks.

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