Dueling Protest Groups Hold Rallies in Boston

People assemble on Boston Common before a planned "Free Speech" rally by conservative organizers begins, Aug. 19, 2017, in Boston.

Counter protest groups gather for a 3 kilometer walk to the Boston Common.

Organizers stand on the bandstand on Boston Common during a "free speech" rally staged by conservative activists, in Boston, Aug. 19, 2017. Counterprotesters stand along barricades ringing the bandstand.

Boston Police and police from nearby districts, on bicycle patrol, getting final direction on the day's protests. City leaders have warned of zero tolerance for violence.

Counterprotesters hold signs and chant at the Statehouse before a planned "Free Speech" rally by conservative organizers begins on the adjacent Boston Common, Aug. 19, 2017, in Boston.

Counterprotesters march in Boston, Aug. 19. 2017.

The Boston Area Brigade of Activist Musicians aka BABAM will march with the counterprotestors. Rebecca Gorlin wears a sign on her back about Jewish resistance as she plans to march playing her snare drum.

State and city police inspect people arriving for a "Free Speech" rally on Boston Common, Aug. 19, 2017, in Boston.

First clash with police. Counter-protestors stopped  because of picket signs.

Matt (no last name given) waits for friends to march to the Boston Common. He's a war veteran and says "I don't want my country to look like this with so much hate and people who want to kill everyone else."

Counterprotesters march toward Boston Common where a "free speech" rally was being held by conservative activists in Boston, Aug. 19, 2017.

Counterprotesters gather against a planned "free speech" rally being held by conservative organizers at Boston Common in Boston, Aug. 19, 2017.

Counterprotesters gather to march against a planned "free speech" rally being held by conservative organizers at Boston Common in Boston, Aug. 19, 2017.