Extinction Rebellion: The faces of the London protest

Some dressed as a "chaos clown" or "Sustaina-Claus", others walked for four weeks to get there, and some were concerned mothers worried about their children's future.

Climate change protesters gathered at different sites across London as part of Extinction Rebellion demonstrations, which brought serious disruption to the capital for a third day.

Sky News spoke to those on Waterloo Bridge and in Westminster, which was cleared of its usual traffic due to their action, to hear why they were engaging in the protests.

Click on each image to reveal their stories: