The new test for one of the deadliest forms of cancer. Nbc news investigates a town in oklahoma divided you are a leader in an Oklahoma Chapter of the White Nationalist organization, and i want to know if you have any explanation to that. The city official at the center of a firestorm. And ringing in spring, the Phone Hotline that will lead you to the most beautiful sights of the Season Announcer this is Nbc Nightly News with lester holt good evening, and welcome. The end of tiktok, as we know it in the United States, may be closer tonight after the House Of Representatives passed a bill that could impose a ban on the hugely popular videosharing app in the u. S. Concerns over tiktoks Chinese Parent Company and a potential National Security risk carried the day in the house. The bill approved on a 35265 vote with one democrat voting present. In all, 50 democrats and 15 republicans voted against the bill, which now heads to the senate. Tiktok, which denies its service as a spy tool, clai