According to the Annual Bullying Survey 2013:
- Transgender people were more likely than either men or women to experience cyberbullying.
- Facebook, Ask.fm and Twitter were found to be the most likely sources of cyberbullying.
- At least 54% of Facebook users reported cyberbullying on the network.
More top news
Satoshi Uematsu, 26, was sent to the Yokohama District Public Prosecutors Office in Kanagawa prefecture.
West Yorkshire Police confirmed a 32-year-old woman was taken into custody in connection with the alleged threats.
Five women shared their views about whether Hillary Clinton's Democratic presidential nomination is a defining moment in US history.