Columbia University says it is boosting security after an incident on campus involving protesters. Earlier this week, the university said in a statement a class on "The History of Modern Israel" was disrupted Tuesday by a group of students who handed out fliers showing violent imagery.

Columbia University freshman Shoshana Aufzien reacts to anti-Israel protesters interrupting a class at her college and ongoing campus antisemitism on ‘America Reports’

Palestinian protesters of an Israeli history class on January 21.“No group of students has a right to disrupt another group of students in a Columbia classroom,” a statement from Interim President Katrina Armstrong said.