Trump administration offers buyouts to all 2 million federal workers; Undocumented migrants in New York arrested in Trump crackdown on illegal immigration; Tuberculosis outbreak reported in Kansas; and more on tonight's broadcast.

67 presumed dead in collision of regional jet and Black Hawk helicopter; Crash victims included some of the most promising young figure skaters; Army says helicopter crew in D.C. crash was 'very experienced'; and more on tonight's broadcast.