The man challenging anti-cycling trolls to change their ways

Andrew Tierney is part of a new breed of cycling activists tackling a rise in online abuse head-on

If someone deletes their comment, that's success for me," says Andrew Tierney. Hopefully, that person will think about what they're saying in the future."

Tierney, who goes by the name @cybergibbons online, is part of a new breed of cycling activists. After noticing an increase in the amount of abuse and violent threats on social media directed at people who ride bikes, Tierney decided to take action. He started calling out the posters online, with the result that many deleted their comments or even their accounts.