The Antifa gang network, which is glorified by American left-wing groups like the SPLC, carried out mass violence in Vienna.

Thousands of masked Communists attempted to storm a ballroom dancing event in Vienna. The event is attended by leaders of the conservative Austrian Freedom Party.

When police thwarted them, the gangs went on a violent rampage. They looted stores in downtown Vienna, battled police, and vandalized the city. Police arrested 54 Communist thugs. Some of whom were carrying brass knuckles, clubs, and other weapons. Illegal narcotics were also found on several gang members.

This is the event that was targeted:

And here are the violent Communist gang members destroying the city outside: