In his social media posts, Hinson said it doesn’t make sense for the city to claim sidewalk art is illegal when it has hosted an annual street chalk festival, Chalk It Up, for the past 20 years.

Using chalk and markers, in a campaign dubbed "Chalk Back", Ms Yusuf and other girls and women are writing down their experiences of street harassment. The campaign, they hope, will spur ...

It's a rainy afternoon in east London and two women are writing these words on a pavement in coloured chalk. The words are a catcall - shouted by a stranger to a woman walking down a street in London.