Police carrying riot shields cleared 30 to 40 people from inside Columbia University’s Hamilton Hall late Tuesday and made dozens of arrests after pro-Palestinian protesters occupied the administration building earlier in the day. #Columbia #protestors #HamiltonHall Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij