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Cameron: Boycott websites which don't tackle abuse

8 August 2013 Last updated at 13:21 BST

Social networking websites which do not "step up to the plate" and tackle online abuse should be boycotted, the prime minister has said.

David Cameron was asked about the issue after the death of 14-year-old Hannah Smith, who had been a target of web bullying, sparked calls for stricter controls on websites used by children.

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