More than 100,000 people signed the petition for Twitter to beef up its procedures for dealing with abuse. Photograph: Dominic Lipinski/PA Wire

Twitter has introduced a “report tweet” option for users who are sent abusive messages, following a campaign by a number of women who were targeted on(...)

Screengrab from the Twitter feed of Independent columnist Grace Dent.  Guardian columnist Hadley Freeman, Dent and Europe editor of Time magazine Catherine Mayer all received the tweet  of which Dent took a screen grab of and posted for her Twitter followers to see.  Photograph: PA/PA Wire

Police are investigating after a number of bomb threats against women journalists were made on Twitter.Guardian columnist Hadley Freeman, Independent(...)