Swedish teenager Greta Thunberg got a rousing reception as she spoke to Extinction Rebellion climate change demonstrators.
Extinction Rebellion (XR) campaigners say they want to show they are “disciplined and cannot only start disruptive actions but also end these when needed”.
Police have so far made 963 arrests across the days of the ongoing protest.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews and https://twitter.com/skynewsbreak
Like us on Facebook: https://www.facebook.com/skynews
Follow us on Instagram: https://www.instagram.com/skynews
For more content go to http://news.sky.com and download our apps: