Dozens of protesters breached an administrative building at Columbia University early Tuesday morning, barricading entrances and flying a Palestinian flag out a window on the Ivy League campus in Manhattan.

The building that Columbia University protesters seized early on Tuesday morning, Hamilton Hall, has a history of student takeovers over the decades. The current demonstration on the Ivy League campus in Manhattan echoes those past protests,

Columbia demonstrators occupied a university building, hours after the school moved to suspend students who had failed to leave an encampment.

NEW YORK (Reuters) -Pro-Palestinian activists occupied a building at Columbia University early on Tuesday, escalating a battle with administrators who have begun suspending students for refusing to dismantle tents set up on the New York campus.

Columbia University's president said on Monday that talks with pro-Palestinian protesters who began camping on the Ivy League campus two weeks ago had failed, and urged them to voluntarily disperse, without saying what would happen if they did not.