At least seven people were killed over the weekend after a deadly EF-4 tornado touched down in Winterset, Iowa. Heavy rain and possible flooding are expected in the East on Monday night. WATCH FULL EPISODES OF WORLD NEWS TONIGHT: https://abc.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://bit.ly/3iQLwPp #WorldNewsTonight #Iowa #Tornado