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Head teachers urged to ban packed lunches

12 July 2013 Last updated at 13:35 BST

A few years ago, school meals were criticised for not being healthy enough - now packed lunches are under attack.

A report commissioned by the government says that too often they are filled with crisps and chocolates and head teachers are being urged to ban them so children can get a healthy school meal instead.

Gillian Hargreaves reports.

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