The Holocaust Educational Trust said they "were lost for words" after Justin Bieber said that he hoped Anne Frank "would have been a Belieber."
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Crime figures show a sixfold increase in people reporting a rape by someone they met on a dating app or website between 2009 and 2014.
The launch was made in defiance of United Nations sanctions barring North Korea from using ballistic missile technology.
David Cameron has raised concerns after figures showed 100 babies spent time living behind bars last year.