The powerful system heading for the northeast is now hammering the heartland with heavy snow, it is expected to be the biggest snowstorm for many in years. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: https://abc.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WinterStorm #EastCoast #WorldNewsTonight Original source (ABC/Youtube)

Sheriff Adam Infante provides an update on the school shooting at Perry High School in Iowa. #Perry #Iowa #Shooting source

Piece of Alaska Airlines plane detaches mid-flight, prompting emergency landing; First winter storm of new year moves through Northeast; U.S. official: Pentagon waited days to inform W.H. officials of defense secretary’s hospitalization; and more on tonight’s broadcast. » Subscribe to NBC News: https://www.youtube.com/user/NBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and …