Masked protesters disrupted an Israeli studies class at Columbia University, distributing antisemitic literature and shouting anti-Israel slogans. The university has launched an investigation into the incident and is working to identify the disrupters. Professor Avi Shilon, who teaches the class, attempted to maintain order and invited the demonstrators to engage in intellectual discussion, but they were not interested. Students expressed their disappointment and frustration with the incident, highlighting the lack of ideological diversity on campus. Columbia University has faced allegations of antisemitism in the past.