Hundreds of protesters marched from Mattapan Square to Dudley Station yesterday, chanting slogans in a peaceful show of solidarity with activists in Baltimore over the death of Freddie Gray.

Organized by a group called We Are The Ones, the marchers were escorted by police as they passed a bullhorn among themselves and to people lining the sidewalk, giving them a chance to share their thoughts on the Baltimore protests.

Khury Petersen, 32, said it was the protests over the death of Gray, who was injured while in police custody, and the charges announced Friday against six cops, that brought so many to Mattapan yesterday.

“I’m not ashamed of the rebellion of Baltimore. I want to say I’m proud of the rebellion in Baltimore,” he said. “Look at the fact that the news this week was dominated by the fact that a CVS was burned. They are more concerned with a CVS than lives.”

Baltimore State’s Attorney Marilyn Mosby on Friday charged the six police officers with a slew of felonies, going from assault up to second-degree “depraved heart” murder, in the death of Gray, who died from spinal injuries a week after his April 12 arrest. It provoked riots on the streets of West Baltimore and quickly became a rallying cry against police brutality and social inequality in the city. Yesterday’s march in Boston was the second here in less than a week.

Leaning against a car in front of his shop watching the marchers, a man who only provided his first name, Antoine, said letting the justice system sort through the details was the right thing to do.

“It’s a victory … it’s letting them know we see, we notice, we are watching,” he said. “It’s being seen by the whole world.”

Others were more skeptical, saying that a lot can go wrong in the courts.

“It’s something, but the structure is still there,” said Greg Beach, 25, of Watertown, who took part in the march.

Boston police Superintendent in Chief William Gross, who was watching the march, said that he hopes to see a peaceful Baltimore again, that “everyone can come together in dialogue, not destruction.”

Gross said he knew Mosby when she lived in Boston, and he hopes that the six Baltimore officers get a fair trial.

“I hope it is only influenced by the facts, not public perception,” he said.