PIERCE COUNTY, Wash. — Some injuries and casualties have been reported and all southbound lanes of Interstate 5 south of Joint Base Lewis-McChord are closed on Monday morning after an Amtrak train derailed and fell off an overpass on the freeway, ABC News reports.

The Amtrak train, which operates between Seattle and Portland, had just begun using a new high-speed route Monday morning. City officials had earlier expressed fears that the new route would cause serious accidents, according to ABC. For the full story, click here.

Photo from the scene shows train cars on roadway after Amtrak derailment in Washington state. https://t.co/4rDhIRnLurpic.twitter.com/ZnpzfNUw6O

— ABC News (@ABC) December 18, 2017

What we know about the Amtrak passenger train derailment in Washington state

- At least one train car is dangling over I-5

- Sheriff: Multiple cars struck by train, no known motorist fatalities at this time

- Witness: ”It was pretty horrific-looking"https://t.co/BdJzsdleQ2pic.twitter.com/laRRgs8qgZ

— CNN (@CNN) December 18, 2017