WFAA chopper footage from the scene in Palo Pinto County showed mangled train cars piled up off the tracks, heavy smoke, and fire trucks on the side of the tracks.

The approximate 35 train cars were carrying hydrochloric acid, propane and fuel. The incident ignited grass fires, but no injuries were reported.

(Reuters) -A Union Pacific Railroad train derailed two miles east of Gordon, Texas, on Tuesday, the company said, and emergency responders said the derailed cars did not appear to be leaking their contents. The emergency responders in Palo Pinto County said that, nonetheless, the derailment was "being treated as a HazMat situation."

Union Pacific train derailment involving 35 cars occurred 2 miles east of Gordon, Texas on Monday with emergency crews containing a grass fire at the scene.

A Union Pacific train lost 35 cars in a derailment Tuesday in a rural stretch of Palo Pinto County within 2 miles of Gordon.