"We think it is incredibly important for people to name what is going on and condemn it swiftly and immediately", Naomi Adler of the Jewish Federation of Philadelphia said.
A Rochester police spokeswoman says no suspects are in custody, but authorities are investigating.
Another rally to "Stand Against Hate" is getting underway right now in Doylestown.
An official there is quoted in the D&C as saying he doesn't know if it is a hate crime at this point, but Cuomo says given recent incidents at Jewish cemeteries nationwide as well as bomb threats made to Jewish Community Centers, he wants an investigation. This has to stop. https://t.co/VOSZOw1M2E- Kirsten Gillibrand (@SenGillibrand) 3 mars 2017 Mount Carmel Scores of volunteers have stepped in to help clean up and restore a Jewish cemetery in Philadelphia where vandals damaged hundreds of headstones.
Jewish Community Centers and day schools in at least a dozen states received threats, according to the JCC Association of North America.
The Jewish Federation of Greater Philadelphia says the noon rally Thursday is meant to "restore a sense of security and peace to our community".
At the rally, numerous religious leaders and politicians spoke about the importance of standing against hate.
"I am interested in using this vantage point to look at the world in a way we wouldn't otherwise", he said.
NY officials have sought to boost efforts to crack down on the hate crimes.