South Sudan on the brink of famine after historic floods

ABC News' David Muir travels to South Sudan, where more than 1 million people are now experiencing severe food insecurity in the wake of the worst floods since the 1960s. 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 #abcnews #sudan #southsudan #flood #flooding #famine