The youngest woman ever elected to Congress ripped her city's mayor on Saturday for "making excuses" for New York Police Department actions.

In videos that circulated widely on social media, NYPD cruisers can be seen driving into pedestrian protesters.

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Rep. Alexandria Ocasio-Cortez (D-NY) blasted New York City Mayor de Blasio for defending the NYPD.

On Twitter, she told the mayor, "your comments tonight were unacceptable."

Video reportedly taken from the Wittier neighborhood of Minneapolis on Saturday shows authorities shooting projectiles upon people filming them from a front porch.

On Friday, Minneapolis Mayor Jacob Frey imposed a curfew on the city, but his emergency order did not apply to citizens' homes or front porches.

Yet a video posted on Twitter shows a Minnesota National Guard humvee rolling down residential streets, followed by a group of police.

"Look at this, they just keep coming," a woman is heard saying as the camera shows the police.

"Go inside. Get inside," the police shouted.