The victim, 53, was hit with an umbrella at the Marcy Avenue train station in Williamsburg, police said.
A man was attacked by three assailants, two of whom were charged with hate crimes, officials said.
A nonprofit group raising money to cover the victim's expenses said she needs 24-hour supervision.
The woman was sitting in a Williamsburg park at the time of the attack, police said.
The women were hospitalized following an assault in front of One Last Shag, in Bed-Stuy.
At least four anti-gay incidents have happened in Brooklyn over the last month, the Brooklyn DA said.
Four suspects argued with the victim and knocked her unconscious on Sunday, police and reports said.
Mitch Pope suffered a skull fracture and had stitches after the attack in his apartment lobby on Monday.
A Brooklyn Jewish leader was punched after a game between the Nets and an Israeli basketball team.
NYPD Commissioner Bill Bratton said the media's coverage of Gaza has led to an increase in hate crimes.
The fliers were found on Bedford Avenue and Williamsburg Street in Williamsburg.
The graffiti was found a week after a Jewish tenant moved into the President Street apartment building.
The attack took place Saturday night while the victim was walking his dog in the neighborhood.
Edward J. Fall was charged in connection with two pellet gun shootings in August, police said.
The husband and wife were on East 63rd Street when the suspects made anti-Jewish comments, police said.
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