From Canada to Finland, a US neo-Nazi fight club is rapidly spreading across the globe

Active clubs that use martial arts to espouse far-right, fascist ideologies are proliferating in the US and abroad

More than a dozen men wearing black masks and sunglasses - obstructing any open source investigators from easily identifying them - appeared in a Telegram video in front of city hall in London, Canada, in June.

Mass deportations now," the men yelled in unison, holding up banners with the same slogan. No blood for Israel."