Hundreds of protesters took to the streets, many headed for the annual Christmas tree lighting ceremony.
A carriage horse galloped through Hell's Kitchen before being stopped by the NYPD.
The officers will be in a "test" class for revamped training designed to improve public relations.
The DA's office will launch an independent investigation of the incident, officials said.
The officer shoved Mercedes Hidalgo while another officer restrained a pregnant woman, sources said.
El Grito De Sunset Park is organizing a march to the 72nd Precinct in Sunset Park on Saturday.
Sandra Amezquita, who is due in January, fears for the health of her child after the incident, she said.
Police are looking for three suspects who assaulted two victims, shooting one of them in the leg.
NYPD Commissioner Bill Bratton said the officer was suspended after Sunday's incident.
The suspects took the woman's cell phone but could not get her purse, according to the NYPD.
The video shows the moments before Ryo Oyamada was hit by a police car in Queens last year.
An employee of BC Wireless, near the Morgan Library, chased after the men, but lost them blocks away.
Tim Eberle, who moved to Brooklyn a year ago, made a video to mock Brooklyn's rampant gentrification.
Court Square Studios opened at 21-38 44th Rd., with 3,500-square-feet of rental space.
Video obtained from South Carolina police sheds light on the abused 4-year-old's life.
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