It's been more than 50 years since Columbia University became the site of student demonstrations amid unrest over the Vietnam War, but the spirit of protest on campus remains strong. Late Tuesday night,

Police removed barricades, took protesters into custody and began dismantling a pro-Palestinian demonstrators’ camp at the University of California, Los Angeles early Thursday, hours after threatening arrests if people didn't disperse. The sound of flash-bangs could be heard as police moved in.

NYPD enters campus Tuesday evening in reported move to dispel students who took over academic building earlier in the day