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GlaxoSmithKline admit my have broken the law in China

22 July 2013 Last updated at 23:24 BST

The British pharmaceutical giant, GlaxoSmithKline, has admitted that some of its executives may have broken the law in China.

Four employees have been detained by Chinese police on suspicion of bribing doctors and hospital administrators to prescribe its drugs.

Rival AstraZeneca said one of its staff was also being questioned.

Martin Patience reports.

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