Emergency crews are responding to a train derailment on Aug. 12 in north-central Texas that left multiple cars carrying possible hazardous materials off the track and ignited grass fires in the area, officials said.

The incident occurred at around 2 p.m. local time over a railroad bridge on Coalville Road, about two miles east of Gordon, a small city roughly 71 miles west of Fort Worth. The derailment involved about 35 Union Pacific Railroad train cars, the company told USA TODAY.

Emergency crews, including Union Pacific hazmat personnel and the Palo Pinto Fire Department, were at the scene, according to Palo Pinto County emergency services. Officials confirmed that there were no hazardous material leaks in the area, and Union Pacific noted that cleanup efforts were underway.

"All personnel have been accounted for, and no injuries have been reported," Palo Pinto County emergency services said in a statement on social media. "The situation is currently stable, but not yet fully controlled."

Fire crews were responding to small grass fires sparked by the derailment, according to Palo Pinto County emergency services. No structures were threatened.