The Department of Homeland Security arrested a second student involved in the protests at Columbia University.

Columbia University students who occupied Hamilton Hall during pro-Palestinian protests last year have been suspended, expelled or had their degrees temporarily revoked.

President Donald Trump's executive order calls on institutions of higher education are called on to "monitor for and report activities by alien students and staff."

The protesters created barricades and trapped staff inside Morrill Hall, which houses the office of the president.

A Brooklyn man has been indicted on charges accusing him of burning an Israeli flag during a protest last spring at Columbia University.

Students at Columbia University are set to start classes today as the school receives backlash over a report showing it failed to protect students from antisemitism.

Shafik is the third Ivy League president to step down in recent months.

Columbia University President Minouche Shafik announced her immediate resignation Wednesday, months after college protests over the Israel-Hamas war gripped the campus.

Harvard "failed its Jewish students" and must face a lawsuit over antisemitism on campus after the Oct. 7 Hamas attack against Israel, a federal judge in Boston ruled.

Iranian government actors seeking to "take advantage" of pro-Palestine protests, including funding some: DNI

The Manhattan district attorney's office moved to dismiss the charges against most of the pro-Palestinian protesters arrested at Columbia University and City College.

About 25 people were arrested Monday night on the University of California Los Angeles campus, as they attempted to set up a tent encampment, university police said.

Harvard will no longer comment on public matters unrelated to its 'core function' amid ongoing tensions related to the Israel-Hamas war.

On Thursday, leaders from Northwestern, Rutgers and UCLA testified before Congress on college protests and alleged antisemitism.

University leaders from Northwestern, Rutgers and UCLA will testify as the committee’s main witnesses.

President Joe Biden was met with silent protests as he delivered the commencement address Sunday at Morehouse College in Atlanta, Georgia.

The University of Pennsylvania said 19 protesters were arrested for trying to occupy a campus building on Friday night.

ABC News contributor Heidi Heitkamp was doing a Zoom interview with ABC News Live when protestors entered her office. She was not harmed and remains safe.

Protesters entered the Physical Sciences Lecture Hall on the UC Irvine campus on Wednesday.

Tensions at the University of California, Irvine campus escalated as a group of several hundred pro-Palestinian protesters entered a lecture hall and surrounded the building on Wednesday.

Some students at Virginia Commonwealth University and Duke University walked out of their graduation ceremonies.

Demonstrators breached the gate of the University of Pennsylvania's home amid campus protests.

Colleges that successfully de-escalated student protests on campus communicated and negotiated with protesters.

This comes as some UCLA protesters allegedly equipped with heavy tools were prevented from occupying a building.

ABC News’ Victor Oquendo has the latest on new clashes on campuses, including arrests overnight at the University of Pennsylvania.

D.C. police's early morning clash with protesters encamped on George Washington University was applauded by Republican lawmakers who pressured D.C.'s mayor for action.

The Education Department has asked Congress to approve a $22 million increase to the proposed budget to investigate antisemitism.

Police continue to tighten security at colleges and universities across the country as protesters try to take back encampments.

Also, more than 100 pro-Palestinian protesters were arrested at University of California campuses Monday and Columbia University is canceling its main commencement ceremony.

Demonstrations in the '70s, '80s were launched against university investments.

ABC News’ Stephanie Ramos reports on the rising tensions on college campuses across the U.S.

Columbia University has canceled its universitywide commencement ceremony. Many graduating seniors missed their high school graduations due to the COVID-19 pandemic.

The University of Mississippi has opened an investigation into a student's "racist" conduct at a counterprotest surrounding a pro-Palestinian demonstration.

A local student spoke with ABC News amid the weekslong unrest happening at campuses across the country.

Students continue to protest as graduation ceremonies get underway amid the ongoing conflict in Gaza.

Pro-Palestinian student protesters are taking notes from the protests of the past nationwide, including the civil rights movement, Vietnam War protests, and more.

Police and protesters faced off over the weekend as Pro-Palestinian and Pro-Israeli protesters disrupted college commencement ceremonies across the nation.

The LAPD moved onto USC's campus to clear a Pro-Palestinian encampment.

ABC News’ Jonathan Karl interviews New York City Mayor Eric Adams on “This Week.”

ABC News’ Jonathan Karl interviews Sen. Tom Cotton, R-Ark., on “This Week.”

New York City Mayor Eric Adams on Sunday defended the police crackdown on campus protests there, which have become the epicenter of demonstrations seen around the country

Tom Cotton on Sunday pushed for an even stronger police response to pro-Palestinian protests on college campuses across the country as arrests grow

ABC News’ Stephanie Ramos reports on the latest in the college campus protests sweeping across the U.S. on “This Week.”

Police ramp up security and prepare for any disruptions as college campuses hold weekend graduation ceremonies following days of protests.

School administrators struggle with how to respond to growing encampments on campus as protesters clash with police and other counter-protesters at colleges and universities across the U.S.

New York University has called on the NYPD to clear out a protest encampment.

New York University and The New School said they had requested police to remove students from their campuses after multiple rounds of negotiations failed.

Dynamic scenes of massive encampments, vocal demonstrations and building occupation have now been playing out on private and public college properties.

Jacob Wendler, student journalist and editor-in-chief for The Daily Northwestern, joins ABC News to reflect on his coverage of campus protests at Northwestern University.

Can universities divest from Israel? Here's what such demands mean amid college campus protests against the war in Gaza.