The suspect was waiting for a store to open before making antisemitic statements and punching a man in the face multiple times.
NYPD on the scene asked the man to put his weapon down.
Adams, who defeated long-shot GOP challenger Curtis Silwa, pitched himself as a moderate Democrat who opposes the "defund the police" movement, but promises to rid of racist policing practices.
The NYPD is offering rewards of up to $3,500 for information about a woman who set the entrance to the Yeshiva of Flatbush on fire.
Matthew McGrath, 37, was arrested and charged with felony burglary and criminal mischief after he allegedly broke into and vandalized a Jewish summer camp.
The event at the Park East Synagogue comes in response to a sharp rise in antisemitic incidents in New York City.
The incidents come as antisemitic incidents continue to rise in frequency throughout the Western world.
The NYPD spokesperson said that five men were hit by the vehicle, with one sustaining a foot injury.
The Hate Crimes Task Force said 135 hate crimes have been reported in the city in 2021, compared to 93 last year.
Brandon Elliot, 38, was identified as the man seen in the video kicking the woman to the ground and then kicking her several more times on Monday.