Propalestinian protesters from the campus of Columbia University in new york. Dozens were arrested after Ivy League School decided it was finally time to call in the reinforcements. Hello, im jonathan hunt, live in los angeles with continuing coverage of the campus. Chaos across country. The situation at columbia escalated about 24 hours ago when the protesters broke into historic Hamilton Hall building. And just a few hours, officers in riot gear entered that building and swiftly made arrests. Columbia university has, of course, been the epicenter for propalestinian protests that have now spread to campuses around the country. Hundreds of students have been arrested nationwide and upcoming commencements are in danger being canceled. Lets get straight to fox news Correspondent Richardson for the latest on how it all unfolded at columbia. Good evening, rick. Good evening, jonathan. Columbia university is given the all clear after School Officials told students to shelter in this past ev