Internet users should boycott "vile" websites that allow cyberbullying to help prevent more deaths of young people, the prime minister has said. David Cameron asked parents to boycott sites that granted bullies unmoderated access to young people and said those who posted abuse online were not above the law. He urged website operators to act responsibly to protect children from bullies, following the death of 14-year-old Hannah Smith, who killed herself...after receiving abuse on Ask.fm. Her father...has said those who run the website should face murder or manslaughter charges and called for more regulation of social networking sites...Cameron...[said]: "The people that operate these websites have got to step up to the plate and show some responsibility in the way that they run these websites.