Kim Graham, who started the Change.org petition for Twitter to do more to protect its users, has welcomed the site's move to add a "report tweet" option for users who are sent abusive messages.
I'm thrilled that Twitter has started making progress on this.
Online bullying and harassment has been too common for too long, and this is a very welcome first step toward online safety for women.
There are always improvements that can be made, but this proves that if we speak up together we can really have an impact.
More top news
A union has said it is worried plans for Wandsworth and Richmond councils to merge may lead to job losses.
A computer disk contained a secret file on the fatal shooting of Mark Duggan by police has been lost.
The National Crime Agency is to be investigated over a two year delay police took in investigate a paedophile teacher in Essex.