Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE is urging President Trump to speak out against the surge of anti-Semitic threats and attacks around the country.

“JCC threats, cemetery desecration & online attacks are troubling & they need to be stopped. Everyone must speak out, starting w/ @POTUS,” Clinton tweeted early Tuesday.

JCC threats, cemetery desecration & online attacks are so troubling & they need to be stopped. Everyone must speak out, starting w/ @POTUS. — Hillary Clinton (@HillaryClinton) February 21, 2017

Vandals over the weekend destroyed about 100 headstones at a historic Jewish cemetery in St. Louis. Meanwhile, Jewish community centers, including centers in Chicago, Houston and Tampa, received an influx of bomb threats later determined to be hoaxes.

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The White House released a statement on the bomb threats Monday, saying "hatred and hate-motivated violence of any kind have no place in a country founded on the promise of individual freedom."

The comment, like the White House statement on Holocaust Remembrance Day, has been criticized by some for not specifically mentioning the Jewish community.

Ivanka Trump, who converted to Judaism when she married Jared Kushner, now a White House aide, denounced the threats against the Jewish community centers in a tweet Monday evening.

"America is a nation built on the principle of religious tolerance," Trump tweeted Monday. "We must protect our houses of worship & religious centers. #JCC."

America is a nation built on the principle of religious tolerance. We must protect our houses of worship & religious centers. #JCC — Ivanka Trump (@IvankaTrump) February 20, 2017

Clinton was Trump's Democratic opponent in the 2016 election.