Tens of thousands of protesters attended rival marches in London — the 'Unite the Kingdom' rally, organized by far-right figure Tommy Robinson, and a pro-Palestinian demonstration marking 78 years since the Nakba. More than 4,000 police officers were deployed to prevent confrontations. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews