Tensions high as pro-Palestinian protests spread at college campuses across US

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Students continue to maintain a protest encampment in support of Palestinians at Columbia University, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in New York City, U.S., April 26, 2024. REUTERS/Caitlin Ochs

Protesters in support of Palestinians in Gaza and pro-Israel counter-protesters scuffle during demonstrations amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

University of California Police officers stand guard during demonstrations by protesters in support of Palestinians in Gaza and pro-Israel counter-protesters, amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

Protesters in support of Palestinians in Gaza and pro-Israel counter-protesters confront each other, during demonstrations amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

Chalk messages are written near an encampment at University Yard at George Washington University, as student activists have joined campuses across the United States that have started encampments to call on their universities to divest financial ties from Israel, in Washington, U.S., April 28, 2024. REUTERS/Bonnie Cash

A pro-Israel counter-protester walks with Israeli flags near protesters attending a demonstration in support of Palestinians in Gaza, amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

Students and pro-Palestinian supporters occupy a plaza at the New York University (NYU) campus, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in New York City, U.S., April 27, 2024. REUTERS/David Dee Delgado

Students and pro-Palestinian supporters occupy a plaza at the City College of New York campus, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in New York City, U.S., April 27, 2024. REUTERS/David Dee Delgado

Pro-Israel counter-protesters hold an Israeli flag near protesters in support of Palestinians in Gaza, during demonstrations amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

A counter-protestor holds an Israeli flag near an encampment at University Yard at George Washington University, as student activists have joined campuses across the United States that have started encampments to call on their universities to divest financial ties from Israel, in Washington, U.S., April 28, 2024. REUTERS/Bonnie Cash

Pro-Israel counter-protesters wrangle with a man, during a demonstration in support of Palestinians in Gaza amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

A protester in support of Palestinians in Gaza and a pro-Israel counter-protester confront each other, during demonstrations amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

A sign that reads "end zionism" leans against a tent, at a protest encampment in support of Palestinians, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at Evergreen State College in Olympia, Washington, U.S. April 28, 2024. REUTERS/David Ryder

A pro-Israel counter-protester stands next to security personnel during a demonstration by protesters in support of Palestinians in Gaza, amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

A group of Muslims kneel during a prayer outside Columbia University campus as they gather to support a student protest encampment in support of Palestinians, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in New York City, U.S., April 26, 2024. REUTERS/Mike Segar

Students and others demonstrate at a protest encampment at University Yard in support of Palestinians in Gaza, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at George Washington University in Washington, U.S., April 25, 2024. REUTERS/Leah Millis

Police officers in riot gear walk through students and pro-Palestinian supporters that have occupied a plaza at New York University (NYU) campus, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in New York City, U.S., April 26, 2024. REUTERS/David Dee Delgado

A woman holds a tray with a slogan as pro-Israel counter-protesters gather during a demonstration in support of Palestinians in Gaza amid the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the University of California Los Angeles (UCLA) in Los Angeles, California, U.S. April 28, 2024. REUTERS/David Swanson

Students and Pro-Palestinian supporters occupy a plaza at New York University (NYU) campus, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, in New York City, U.S., April 26, 2024. REUTERS/David Dee Delgado

A person holds a tambourine near an encampment at University Yard at George Washington University, as student activists have joined campuses across the United States that have started encampments to call on their universities to divest financial ties from Israel, in Washington, U.S., April 28, 2024. REUTERS/Bonnie Cash

A protester uses a bullhorn as students and others demonstrate at a protest encampment at University Yard in support of Palestinians in Gaza, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at George Washington University in Washington, U.S., April 25, 2024. REUTERS/Leah Millis

Signs of solidarity are displayed on barricades surrounding a protest encampment in support of Palestinians, during the ongoing conflict between Israel and the Palestinian Islamist group Hamas, at the Massachusetts Institute of Technology (MIT) campus in Cambridge, Massachusetts, U.S. April 28, 2024. REUTERS/Amanda Sabga