Pro-Palestinian demonstrators march through Brookings Hall on Saturday at Washington University. Protesters marched through campus and attempted to set up an encampment in response to the university's ties to Boeing, a supplier of weapons to Israel.
After demonstrators marched for several hours and attempted to set up an encampment, police deemed the protest held on private property illegal and arrested about 100 people.
Washington University officials said they all will be charged with trespassing, and of those, some will also be charged with resisting arrest and assault in the injuries of officers. Many of those detained were made to sign criminal trespass warnings that state they could be arrested if they returned to any of Wash U's campuses.
See photos from St. Louis Public Radio photojournalist Eric Lee below:
Eric Lee
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St. Louis Public Radio
A pro-Palestinian demonstrator holds a sign reading “Stop the Genocide” during a Saturday rally at Washington University.
Eric Lee
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St. Louis Public Radio
Students work in the Olin Library as pro-Palestinian demonstrators rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Pro-Palestinian demonstrators hold a banner noting Palestinians killed in Gaza during the Israel-Hamas war on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Green Party presidential candidate Jill Stein, second from left, links arms with demonstrators including St. Louis Alderwoman Alisha Sonnier, second from right, and Board of Aldermen President Megan Green, far right, during a rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Muslims pray during a pro-Palestine rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Vans await arrestees as Muslims pray during a pro-Palestine rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
A pro-Palestinian demonstrator writes “Wash U Divest” on a tent on Saturday at Washington University. Protesters marched through campus and set up an encampment in response to the university's ties to Boeing, which supplies weapons to Israel.
Eric Lee
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St. Louis Public Radio
Pro-Palestinian demonstrators who planned to stay in the encampment link arms on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Pro-Palestinian demonstrators hold each other on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
A St. Louis County police officer rams a bicycle into Green Party presidential candidate Jill Stein and other pro-Palestine demonstrators during a rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Signs lay on the ground of a pro-Palestinian encampment on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Police face off with pro-Palestinian demonstrators during a rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
A St. Louis County police officer reaches for a taser during a pro-Palestine rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
A demonstrator is arrested by a Washington University officer on Saturday at the school's campus.
Eric Lee
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St. Louis Public Radio
Kelly Merrill, Jill Stein's Deputy Campaign Director, is thrown to the ground and arrested on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Officers drag a demonstrator after an arrest during a rally on Saturday at Washington University. Protesters marched through campus and set up an encampment in response to the university's ties to Boeing.
Eric Lee
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St. Louis Public Radio
Anti-war protesters are arrested on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Protesters are arrested on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
St. Louis Alderwoman Alisha Sonnier, 7th Ward, argues with a University City police officer during a rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Anti-war demonstrators attempt to hold their ground before being arrested on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Police officers arrest pro-Palestinian demonstrators during a rally on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Officers arrest pro-Palestinian protesters during a demonstration on Saturday at Washington University.
Eric Lee
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St. Louis Public Radio
Police forces arrest pro-Palestinian demonstrators during a protest on Saturday at Washington University.