New details of alleged terrorist plot against Taylor Swift concert

Investigators in Austria say one of two teenage suspects was ready to attack a Taylor Swift concert with knives and explosives and say he consumed large amounts of ISIS and al-Qaeda propaganda. Promoters canceled Swift’s three concerts in Austria. NBC News has learned that U.S. intelligence provided information about the alleged plot. NBC News’ Keir Simmons reports. » Subscribe to NBC News: » Watch more NBC video: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! NBC News App: