White man knocked out on Tube by a punch after racist rant

Footage posted online shows the man in a heated confrontation with other passengers as the train pulls into Bank station in central London. https://www.dailymail.co.uk/news/article-8635289/Tube-racist-unmasked-White-man-knocked-punch.html?ns_mchannel=rss&ns_campaign=1490&ito=1490