Kate Allen, director of Amnesty International UK, said Twitter had become a “toxic place for women”. She said: “For far too long Twitter has been a space where women can too easily be confronted with death or rape threats, and where their genders, ethnicities and sexual orientations are under attack. “The trolls are currently winning, because despite repeated promises, Twitter is failing to do enough to stop them. Twitter must take concrete steps to address and prevent violence and abuse against women on its platform, otherwise its claim to be on women’s side is meaningless.”