Manhunt Underway for Suspects in Harvard Medical School Explosion

A manhunt is underway for two suspects involved in the explosion at Harvard Medical School on Saturday morning. NewsNation's Mills Hayes joins "NewsNation Prime" with the latest on the investigation. "NewsNation Prime" is America’s source for unbiased news offering a full range of perspectives from across the U.S. Weekends starting at 7p/6C. #Prime NewsNation is your source for fact-based, unbiased news for all Americans. More from NewsNation: https://www.newsnationnow.com/ Get our app: https://trib.al/TBXgYpp Find us on cable: https://trib.al/YDOpGyG How to watch on TV or streaming: https://trib.al/Vu0Ikij