US visit by far-right Israeli minister draws tense protests and 'big fissures' in Jewish community / Columbia U threatens to arrest anti-Israel protesters, remove encampments as new demonstrations loom / Anti-Israel protesters chain themselves to Columbia University gate / Protest letters from former Israeli soldiers lay bare profound rifts over the ongoing war / Pro-Palestine protesters disrupt Labour minister with call for Israel arms ban / Analysis: Israelis protest as Netanyahu focuses on securing political power / JI to stage nationwide protests against Israel's aggression today / Gal Gadot's Hollywood Walk of Fame ceremony crashed by pro-Palestine and pro-Israel protesters / Anti-Israel protesters at Barnard College arrested after mob turns violent / Watch: Anti-Israel protesters seize control of US college