A freight train derailed in Pittsburgh on Wednesday, raising alarm days after a deadly Amtrak passenger train derailment in Philadelphia.
No injuries were reported at the scene of the accident in Pittsburgh, CBS Pittsburgh reports.
Separately on Wednesday, a train collided with a truck in Johnston, South Carolina, though details remain unclear.
On Tuesday, an Amtrak Northeast Regional bound for New York City derailed as it traveled at more than 100 mph through a curve where the speed limit was 50 mph. At least seven people were killed and more than 200 were injured.