A social networking site where comments were posted to a 14-year-old girl who later died after "web bullying" says it will help the police investigation. Ask.fm allows users to post anonymously and Hannah's father...said he found posts on his daughter's page telling her to die...ask.fm said..."Hannah Smith's death is a tragedy...We have reached out to...police and would be happy to co-operate with their investigation...Ask.fm actively encourages our users and their parents to report any incidences of bullying...All reports are read by our team of moderators to ensure that genuine concerns are heard and acted upon immediately - and we always remove content reported to us that violates our terms of service."