The demonstrations – the most sweeping and prolonged unrest to rock US college campuses since the Vietnam war protests of the 1960s and 70s – have already led to several hundred arrests of students and other activists read more Students look out from a window as NYPD officers evict a building that had been barricaded by pro-Palestinian student protesters at Columbia University, in New York City. AFP Dozens of helmeted police marched on to Columbia University’s campus in the heart of New York City on Tuesday and began evicting a building that had been barricaded by pro-Palestinian student protesters. AFP...