Systematic bribery at GlaxoSmithKline China 'credible' - investigator

In China new details have emerged about the corruption allegations against the British pharmaceutical company GlaxoSmithKline.

The BBC can reveal more content from a series of leaked emails.

GSK is being investigated in the UK by the Serious Fraud Office. And in China police have accused some senior executives of making corrupt payments to doctors and hospital staff of at least £280m.

This special report is by our China editor Carrie Gracie.