Three brutes were caught on camera viciously assaulting an unsuspecting 21-year-old in a rapidly gentrifying area of Brooklyn, according to a video released by police Monday.

As the woman walks by the treacherous trio in Crown Heights on Oct. 2, one of them grabs her by the chest, slams her into a storefront on Franklin Ave. near Prospect Pl. and begins punching her.

After the woman falls to the pavement, one of the men takes her phone while the two others rip her purse out of her hand.

A trio of brutes were caught on video robbing a woman in Crown Heights early this month.

The victim was taken to the hospital after the 2 a.m. mugging with a broken nose and cuts on her face, police said.

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erosenberg@nydailynews.com

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