04/03/2010 05:12 am ET Updated May 25, 2011

15-Year-Old Teen Commits Suicide Over Cyber-Bullying By Older Girls

Her principal called her smart and charming. And a boy had just invited 15-year-old Irish immigrant Phoebe Prince to the winter cotillion, the height of the social season at South Hadley High School in Massachusetts. But then police received a call.

It came from one of Phoebe's sisters. When cops arrived, they found that the freshman student had hung herself. Two days before the big dance.

Though they're not releasing any details, police say she was a victim of cyber-bullying from girls at the school who had an unspecified beef with her over who she was dating.

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