Police said the bridge began to collapse after an accident that involved three vehicles slamming into the bridge. Several vehicles, including a truck, were crushed under piles of concrete and fencing. 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 #BridgeCollapse #WashingtonDC #Dangerous #BusyFreeway