During a combative press conference Tuesday, President Donald Trump dubbed the anti-racist protest groups the "alt-left" and blamed "both sides" for the violent clashes that resulted one death, and injured more than a dozen others, NBC News reported.
Who exactly are the protesters that violently clashed with white nationalists in Charlottesville, Virginia?
What is 'Antifa?'
Antifa is short for "anti-fascist." It is a loosely organized coalition of protesters, left-wing activists, and self-described anarchists who vow to physically confront "fascists" — meaning anyone who espouses bigoted or totalitarian views, NBC News reported.
How long have they been around?
Anti-government and anti-fascist protesters have disrupted protest movements in Europe for decades. Today, they are most frequently seen clashing with riot police during summits of major world leaders, as in last month's "Welcome to Hell" protest against G-20 leaders in Berlin.
What are they protesting?
In the wake of President Trump's election, Antifa organizations across the country issued rallying cries on social media to rise up and fight back against the wave of hate crimes and white nationalism that's spiked across the nation.