Separately, Israeli security services said they had foiled a Hamas plot to carry out a suicide bombing on election day.
“We have an anti-Semitism crisis in New York,” the city’s council speaker said.
He said it falls within the freedom of expression and assembly.
Two paintings will be returned, but there has been criticism over the “public interest” in keeping them on display.
The punchline to his “how to recognize a Jew” was about being greedy, an old anti-Semitic trope.
The 19-year-old perpetrator stabbed a teenager with a knife covered in blood from the first victim.
The incident is being investigated as a hate crime.
The Democratic presidential hopeful accused the White House of excusing “people who walk the streets chanting ‘Jews will not replace us.’”
Administrators at the liberal arts college “had a legal obligation to offer that process,” a spokesperson said.
In May, however, 4 Israelis died as a result of heavy rocket fire from Gaza aimed at civilians.