Minnesota power plant leaks 400,000 gallons of radioactive water

A nuclear power plant along the Mississippi River in Monticello, Minnesota, has leaked more than 400,000 gallons of radioactive water due to a broken pipe. NBC’s Maggie Vespa has the details.  » 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: Breaking News Alerts: Visit : Find NBC News