New York City police are investigating anti-Semitic graffiti, including a swastika, found sprayed in a stairwell of a local high school.

An employee of Brooklyn Tech High School found the message scribbled in black marker inside the third-floor stairwell, police said.

No arrests have been made.

Meanwhile, in Williamsburg, YWN was provided with a video of another disturbing incident.

On the video (posted below), the viewr will see a group of young non-Jewish teens on bikes stopping in front of Hasidic-owned homes, and throwing rocks at them.

This happened on Shabbos afternoon on Skillman between DeKalb & Lafayette.

The discovery of the graffiti Thursday followed a wave of anti-Semitic attacks in and around New York City. Five people were stabbed at a Hanukkah celebration last month north of the city in a machete attack that federal prosecutors say was a hate crime targeting Orthodox Jews.

Gov. Andrew Cuomo said Saturday he has directed the State Police Hate Crimes Task Force to assist NYPD in its inquiry into the graffiti.

“Racism, anti-Semitism and other forms of intolerance are repugnant to New York values,” Cuomo said in a statement. “We will fight back every time they rear their ugly head, and we will win because we are right and we know diversity is and always will be our greatest strength.”

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(AP)