The father of the Leicestershire teenager Hannah Smith who it's claimed killed herself after receiving abusive messages on the internet, has called on the government to do more to protect young people from cyber-bullies.
David Smith says he's devastated by the loss of his daughter, who used the website Ask dot fm.
The Prime Minister has sent his condolences to the family in a personal letter. But Mr Smith says what he wants is action not kind words.
Watch Our Political Correspondent Alison Mackenzie's full report.
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