The Anti-Defamation League estimates there have been 130 antisemitic incidents in K-12 schools since Oct. 7, as organizations work to make Jewish students feel safer.

Harvard University and the New York City Department of Education are now being investigated for complaints of antisemitism and Islamophobic discrimination on campus.

The Department of Education is moving forward with several investigations into U.S. colleges and schools where students have reported antisemitism or Islamophobia.

The remarks follow a weekslong advertising exodus from X, formerly known as Twitter.

Majority Leader Chuck Schumer raised concerns about growing antisemitism in the U.S. and the “deep fear” Jewish people experience today on the Senate floor Wednesday.

Majority Leader Chuck Schumer raised concerns about growing antisemitism in the U.S. and the “deep fear” Jewish people experience today on the Senate floor Wednesday.

The march took place a day after crowds turned out for a pro-Palestinian rally.

Advertisers are fleeing social media platform X over concerns about their ads showing up next to pro-Nazi content, hate speech on the site in general or billionaire owner Elon Musk’s own posts endorsing an antisemitic conspiracy theory

Major companies are halting their advertising on "X" following an antisemitic post from owner Elon Musk.

ABC News' Jaclyn Lee reports on a Jewish community in Los Angeles receiving firearms training for the first time amid a rise of antisemitic incidents in the U.S.

The owner of the platform is taking heat from X users for his response to a message shared by another user.

Three Jewish students at New York University filed a lawsuit Tuesday alleging the school has failed to protect them from escalating antisemitism.

Extremists and bad faith actors have been exploiting the tensions in the United States around the Israel-Hamas war to call for violence and division, experts say.

Vandals struck a Jewish cemetery in Ohio over the weekend, defacing nearly two dozen headstones with antisemitic graffiti, according to police.

A Jewish school in Montreal was shot at early Sunday, the second time in under a week the school has been targeted with gunfire, officials said.

Ohio State University said police are investigating two antisemitic incidents that occurred within 24 hours against its students.

An antisemitic message was sprayed on the back of a Holocaust survivor's apartment complex.

The Ventura County Sheriff’s Office said it is investigating the death of a man who they say hit his head and later died following an altercation with a counterprotester.

An Indiana woman allegedly crashed "on purpose" into what she thought was a Jewish school.

Officials have repeatedly sounded the alarm on the rise of antisemitism in recent years.

Since Hamas' attack on Israel, antisemitic incidents at colleges have increased.

A Cornell University student was charged with making threats against Jewish students on the campus, according to federal charges filed by the Justice Department on Tuesday.

The FBI said it's aware of antisemitic threats posted online targeting Jewish students at Cornell University.

A Cornell University sophomore discusses increased fear for Jewish students after a rise in antisemitic threats on U.S. campuses.

A rise in antisemitism since Hamas' Oct. 7 terror attack on Israel is part of "preexisting increase ... around the world," Alejandro Mayorkas said

The FBI is investigating after threatening statements were posted about Jewish people on an internet discussion board at Cornell University.

A federal judge had ordered Vitali GossJankowski detained until sentencing.

The FBI said it's investigating a potential antisemitic hate crime at Cornell University.

Over the weekend, numerous threats to the Jewish community at Cornell University were posted on a website unaffiliated with the university, school officials said.

The FBI said it's aware of antisemitic threats posted online targeting Jewish students at Cornell University, and said that it will work with law enforcement partners to take appropriate action.

The impacts of the war between Israel and Hamas are compounding in the U.S., as hateful online rhetoric has homeland security experts concerned.

The U.S. Department of Homeland Security has issued a warning that the latest war between Israel and Hamas is heightening the "threat environment" in the United States.

Authorities in Detroit are on high alert after Samantha Woll was found dead outside her home Saturday.

According to the Detroit Police, Samantha Woll was found Saturday morning outside her home. The 40-year-old was stabbed multiple times, police said.

Amid an increase in reports of threats against Jewish, Muslim, and Arab communities, federal agencies are reaching out to community leaders.

President Joe Biden addressed the rise in reports of anti-Semitism and Islamophobia following the Oct. 7 Hamas attack on Israel and the subsequent retaliation.

ABC News’ Alex Perez reports on the threat of antisemitism while embedding with the Secure Community Network, the official safety and security organization of the Jewish community in North America.

Homeland Security Secretary Alejandro Mayorkas tells Jewish leaders that law enforcement is "very concerned" about "lone wolf" threat against Jewish communities.

"Unfortunately, as the FBI has already indicated, is that synagogues and mosques are, in particular, vulnerable right now to potential attacks," Oren Segal said.

The NYPD has issued warnings of antisemitic hate ahead of Jewish High Holidays.

Police in Ann Arbor, Michigan, are investigating "hate-motivated vandalism" at two off-campus University of Michigan fraternity houses.

Seann Pietila, the 19-year-old who allegedly subscribed to a neo-Nazi ideology, was indicted by a grand jury.

Antisemitic incidents across Georgia have prompted criticism from local leaders including Gov. Brian Kemp, Sen. Raphael Warnock, and more.

The FBI said it arrested Seann Pietila after the 19-year-old allegedly posted antisemitic messages and a search of his home turned up a cache of weapons.

Federal prosecutors said a 19-year-old Michigan man possessed weapons and expressed neo-Nazi ideology and anti-Semitic beliefs on his social media profiles.

ABC News contributors Elizabeth Neumann and Brian Buckmire join GMA3 with the latest on the trial of Robert Bowers, the man accused of killing 11 worshippers at a Pittsburgh synagogue in 2018.

ABC’s Brad Mieke joins us as jury selection is underway for the trial of the suspected Pittsburgh synagogue mass shooter accused of shooting 11 people in 2018.

As the Jewish community grapples with a recent surge in antisemitic incidents, many U.S. synagogues are turning to trainings on what to do if there's a violent threat.

As the Jewish community grapples with a recent surge in antisemitic incidents, many U.S. synagogues are turning to trainings on what to do if there's a violent threat.

New discourse is emerging about how to teach younger generations about the Holocaust, and whether Holocaust education itself is the best way to combat rising antisemitism.