The Ohio National Guard opened fire on unarmed college students during a war protest at Kent State University on May 4, 1970. Four students were killed, and nine others were injured. Not all of those hurt or killed were involved in the demonstration, which opposed the U.S. bombing of neutral Cambodia during the Vietnam War.

The confrontation, sometimes referred to as the May 4 massacre, was a defining moment for a nation sharply divided over the protracted war, in which more than 58,000 Americans died. It sparked a strike of 4 million students across the U.S., temporarily closing some 900 colleges and universities. The events also played a pivotal role, historians argue, in turning public opinion against the conflicts in Southeast Asia.

In the hours immediately after the shootings, reporters at the chaotic scene struggled to determine who had fired the shots and why. Among the theories was that Guard members shot after spotting a sniper. The Associated Press reported that a highway patrol official refuted the sniper theory.

Columbia University released a breakdown of the individuals arrested on Tuesday when police raided the occupied Hamilton Hall to disperse Gaza protests on campus.

The university said in a statement that “outsiders” were among those arrested. According to the school’s data, 13 of the protesters were adults who were not affiliated with the university.

“A significant portion of those who broke the law and occupied Hamilton Hall were outsiders,” a Columbia spokesperson said. “While 14 were Columbia undergraduate students, the majority were a mix of adults, including graduate students, two employees, and outsiders unaffiliated with Columbia University.”

The university said that it is still determining what disciplinary action will be taken saying “the occupiers violated various University policies, but more importantly, they broke the law. Actions have consequences.”

The NYPD held a press conference to address an errant bullet that was fired while officers were trying to clear protesters off of Columbia University’s campus on Tuesday.

New York City’s Deputy Commissioner of Public Information, Tarik Sheppard, told reporters that the bullet was an accidental discharge and that the department averaged about eight accidental shots each year.

“Accidental discharges happen every single year and we average about eight a year and we don’t get request [for information] on it,” he said. “If you do ask about it, we’ll talk about it like we’re doing right now.”

The officer who fired the shot was said to be an 8-year veteran with an “impeccable” service record. The officer was reportedly trying to access a locked office to see if anyone was “hiding inside” and shifted his gun from his dominant hand to his off-hand. That’s when the errant shot fired. No one was injured in the shooting.

That officer will face department evaluation, according to the NYPD. The NY District Attorney’s office is also investigating.

Mr Sheppard said the department has no plans to release bodycam footage, citing department policy to withhold footage showing accidental shots that do not result.

The officer who fired the shot was a member of the Emergency Service Unit clearing protesters out of Columbia’s Hamilton Hall. The errant shot hit a door frame.

Shark Tank star Kevin O’Leary has warned that students who have taken part in pro-Palestine protests recently may be “screwed” when they are applying for jobs in the future.

Mr O’Leary’s remarks came amid a wave of protests across campuses in the US over Joe Biden’s Israel policy, which have seen hundreds of people arrested.

At Australia’s oldest university in Sydney, students started encamping last Tuesday and said they would not leave until the administration met their demands. There were reports of a scuffle breaking out between the pro-Palestine students and a group of pro-Israel counterprotesters.

Columbia University released a breakdown of the protesters who were arrested during a Tuesday evening NYPD raid on Hamilton Hall, which demonstrators had occupied after defying the university’s 2pm deadline to disperse issued the previous day.

• 13 adults not affiliated with Columbia
• 6 students from other schools
• 23 Columbia students, including 14 undergrads and 9 graduate students
• 2 Columbia employees

Police on Saturday arrested at least 25 pro-Palestinian protesters and cleared an encampment at the University of Virginia, the university said in a statement, as US campuses braced for more turmoil during graduation celebrations.

Tensions flared at UVA’s campus in Charlottesville, where protests had been largely peaceful until Saturday morning, when police officers in riot gear were seen in a video moving on an encampment on the campus’ lawn, cuffing some demonstrators with zip-ties and using what appeared to be chemical spray.

Students across the US have rallied or set up tents at dozens of universities to protest the months-long war in Gaza and call on president Joe Biden, who has supported Israel, to do more to stop the bloodshed in Gaza.

They also demand their schools divest from companies that support Israel’s government, such as arms suppliers.

The University of Virginia said in a news release that protesters had violated several university policies including setting up tents on Friday night and using amplified sound.

Jim Ryan, UVA’s president, wrote in a message that officials had learned that “individuals unaffiliated with the university” who presented “some safety concerns” had joined protesters on campus.

It wasn’t immediately clear how many of those arrested were UVA students.

Dozens of people were arrested for criminal trespass outside the Art Institute of Chicago at a demonstration on Saturday after the institute called in police to remove protesters it said were illegally occupying its property, the Chicago Police Department said on X.

The New School in New York, a private university, said it would hold its classes online following a police crackdown on protesters at the campus.

“We have been very tolerant of the students’ right to free speech as long as they did not interfere with the educational mission,” Donna Shalala, the school’s interim president, said in a statement on Friday. “Despite entreaties by the Dean of Students, members of the faculty, and student leaders, the protesters have refused to permit entry, which left the university no choice but to protect the rights of our students to access their residence hall, classrooms, library, and cafeteria.”

The NYPD arrested 44 students at the New School on Friday morning.

The NYPD held a press conference to address an errant bullet that was fired while officers were trying to clear protesters off of Columbia University’s campus on Tuesday.

New York City’s Deputy Commissioner of Public Information, Tarik Sheppard, told reporters that the bullet was an accidental discharge and that the department averaged about eight accidental shots each year.

“Accidental discharges happen every single year and we average about eight a year and we don’t get request [for information] on it,” he said. “If you do ask about it, we’ll talk about it like we’re doing right now.”

The officer who fired the shot was said to be an 8-year veteran with an “impeccable” service record. The officer was reportedly trying to access a locked office to see if anyone was “hiding inside” and shifted his gun from his dominant hand to his off-hand. That’s when the errant shot fired. No one was injured in the shooting.

That officer will face department evaluation, according to the NYPD. The NY District Attorney’s office is also investigating.

Mr Sheppard said the department has no plans to release bodycam footage, citing department policy to withhold footage showing accidental shots that do not result.

The officer who fired the shot was a member of the Emergency Service Unit clearing protesters out of Columbia’s Hamilton Hall. The errant shot hit a door frame.