After a rally against cuts in London, a break away group caused a scuffle during a smaller demonstration outside the Savoy hotel.
The scuffle began after a protester took a doorman's hat. The top hat was later returned to him. No one is believed to have been seriously injured during the incident.
More top news
A man caught swearing at a speed camera has been jailed for perverting the course of justice after trying to dodge 69 speeding charges
Tom Hiddleston can count the royals among his legions of fans - as the Duchess of Cornwall revealed they were "gripped" by The Night Manager
MPs say the results show that Jeremy Corbyn's brand of socialism isn't working - but he has done well enough to stave off a coup.