Protests cropped up in other cities across the country Wednesday as a show of support for the demonstrations in Baltimore over the death of Freddie Gray, who died after sustaining a spinal injury while in police custody. As these demonstrators flooded streets from New York to California, more than 100 people were arrested through the night, authorities said.

Scores of people turned out to demonstrate in New York, where crowds filled streets in Manhattan:

Heated confrontations could be seen in the footage and images capturing the scene in New York. A split-screen on CNN showed the marches in Baltimore paired with a line of police officers in Manhattan facing off with a group of protesters.

Many of the Manhattan marchers then began to chant “I can’t breathe,” quoting Eric Garner, the Staten Island man who died last year after being placed in what appeared to be a chokehold by a police officer. Garner’s death sparked repeated protests against police actions in New York, and “I can’t breathe” became a common refrain during those demonstrations.

Journalists and observers on the streets of New York shared photos and footage of protesters being handcuffed by police. More than 100 people were arrested, but an official number would not be available until later Thursday morning, a spokesman for the New York City Police Department told The Post.

Marchers also demonstrated in Boston on Wednesday. Police there said the peaceful protest had dispersed and reported no arrests as of shortly after 9 p.m.

In Minneapolis, protesters marching through the city flowed through downtown intersections, remaining peaceful as they moved, police said.

Authorities redirected traffic in the area as the demonstrators moved through intersections and headed toward the Hennepin Avenue Bridge that runs over the Mississippi River.

At protests in Denver, police arrested 11 people, largely for resisting police and obstructing roadways.

Marchers in San Diego also made their way through intersections in a show of support on the other side of the country from Baltimore:

Read through The Post’s liveblog for the scene in Baltimore on Wednesday.

[This post has been updated with the latest arrest numbers and the protests in Denver and San Diego. It was first published Wednesday at 10:10 p.m.]