Anti-Israel agitators took over part of the Butler Library at Columbia University in New York City on Wednesday, interrupting students studying for finals.

Two security officers were hurt in a "crowd surge" during a protest at a library on the campus of Columbia University in New York on Wednesday, officials said.

A faculty rights group at Columbia University condemned the administration for calling the NYPD to gain control over an anti-Israel protest at the campus library.

New York police intervened after pro-Palestinian demonstrators occupied the university’s main library Wednesday evening.

New York City police took 80 people into custody after responding to protests on Columbia's campus, the police department said.

New York City police officers took dozens of pro-Palestinian demonstrators into custody at Columbia University's Butler Library on Wednesday evening. NYPD officers were seen removing about 76 ...

NYPD officers took dozens of pro-Palestinian demonstrators into custody at Columbia University's Butler Library on Wednesday ...

At 6:02 p.m., about two hours after leaving the library, a university-wide email alert came from Columbia Public Safety: “Alert: Butler Library is closed and the area must be cleared.” ...

Columbia University officials asked the NYPD to help secure Butler Library Wednesday night, after protesters’ actions caused “substantial chaos” and “posed a serious risk to our students ...

At least 40 to 50 students, their hands cuffed with plastic zip-ties, were seen being loaded into New York Police Department vans and buses.