WASHINGTON, Oct 2 - Four Californian men described by prosecutors as members of a militant white supremacist group were arrested on Tuesday on charges of instigating violence during a white nationalist rally that turned deadly in Charlottesville, Virginia, last year.

The criminal complaint unsealed in US District Court in Charlottesville charged each of the four - Benjamin Drake Daley, 25, Michael Paul Miselis, 29, Thomas Walter Gillen, 34, and Cole Evan White, 24 - with violating the federal riots statute and conspiracy to riot.

Each defendant faces 10 years in prison if convicted of both counts, authorities said. No pleas were entered.

Authorities said all four men flew from the west coast in August 2017 to participate in the "Unite the Right" rally protesting against the removal of a statue honoring Robert E. Lee, commander of the Confederate Army in the US Civil War.

They are accused of physically assaulting counter-protesters they encountered during the Aug. 12 rally at Emancipation Park in Charlottesville, and during a torch-lit march the night before through the University of Virginia campus, where hundreds of Unite the Right demonstrators chanted "white lives matter" and "Jews will not replace us."

The Aug. 12 event ended with a man plowing his car into a crowd, killing one counter-demonstrator, 32-year-old Heather Heyer, and injuring dozens of others. The driver, James Alex Fields Jr., was charged with the killing in June. He has pleaded not guilty.

US President Donald Trump drew condemnation from Democratic and Republican political leaders for saying that "many sides" were to blame for the violence.

All four of the men newly accused of inciting violence were identified in an FBI affidavit as members and associates of the California-based Rise Above Movement, described as a "militant white supremacist organization."

Reuters