Video: Freight train has derailed and burst into blames in Arizona causing bridge collapse (Video). A SECOND TIME.
https://www.azcentral.com/story/news/local/tempe/2020/07/29/tempe-town-lake-train-derailment-what-we-know-salt-river-union-pacific-bridge-collapse/5538907002/
The bridges is in a high populated area which is accessible from a road above and a new public park below.
The derailment WAS THE SECOND recent one on that very bridge, so obviously what caused the first was not resolved and has come back: destroyed the bridge, some cars, and almost killed persons "who were in the park nearby"