In nebraska, sweeping through cities. New videos from above. Entire neighborhoods wiped away. Dozens of workers trapped for hours inside this building. Homes torn from their foundations. I dont know where we go from here. Plus were tracking more Severe Weather and tornados, 40 million in the cross hairs. The new video just released. Another american hostage held by hamas. His familys reaction tonight. Campus protest crackdown. Protesters detained today at colleges from arizona to indiana to boston. Will other colleges follow . A Third American tourist arrested in the caribbean, also for accidentally carrying bullets in his luggage. We talk to two who are facing 12 years in prison. My heart it just sunk. I had no words. Reporter and the Cicada Invasion has begun. Trillions emerging in a phenomenon that hasnt happened since Thomas Jefferson was president. The noise so loud residents are calling 911. Announcer this is nbc nightly news with jose diazbalart. Good evening. A weekend of alrea