May 14, 2015 12:01 PM EDT

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.

Write to Noah Rayman at

Read More From TIME

Related Stories