An Amtrak train derailed in Montana, and the cause is unknown right now. Three people have died and over 50 were injured.
The tragic crash happened on Saturday as the train was traveling from Chicago to Seattle.
The National Transportation Safety Board is investigating the crash, but there are a lot of questions.
How does a train derail in the middle of nowhere on flat land?
Below see some of the news footage from the crash.
Another video showing more crash footage.