Some of them came armed with pepper spray, urine bombs, baseball bats, shields, helmets, etc.
https://www.usatoday.com/story/news/nation-now/2017/08/12/pr...
Some of them attacked reporters.
https://www.youtube.com/watch?v=jufZItpL3o0
A NY Times reporter said:
> The hard left seemed as hate-filled as alt-right. I saw club-wielding "antifa" beating white nationalists being led out of the park
https://twitter.com/SherylNYT/status/896575560650035200
It's deeply unfortunate that peaceful people were caught in the middle of that, but both sides share responsibility for the violence.