At least five people were injured, some with critical stab wounds Sunday afternoon after a protest by white supremacists turned violent on the lawn of the California Capitol.  Sacramento Fire Department tweeted that five patients were transported to area hospitals from the melee.

According to its website, the Traditionalist Worker Party believes "European-American identity is under constant attack."

The party writes on its website that "American popular culture offers examples of perverse behaviour that mean to destroy European-American families, leaving us unable to secure our own future as a race."

The Southern Poverty Law Center, which tracks hate groups, said the TWP, formed in 2015, is the political wing of the Traditionalist Youth Network, which "aims to indoctrinate high school and college students into white nationalism."

Read more:  USA Today