SEQUOYAH COUNTY (KFSM) -- The evacuation order has been lifted in the area of the train derailment, according to Sequoyah County Emergency Management Director Steve Rutherford.
"We believe it possibly is from water washed out underneath the tracks," Rutherford said. "We had a lot of rain; over five inches in a lot of places."
The only hazardous material on board was LPG, but crews did not find any leaks, said emergency management.
Union Pacific, Kansas City Southern, the Sequoyah County Sheriff's Department, Oklahoma Highway Patrol and fire crews are assisting as well.
One local firefighter was working a swift water rescue right across the train tracks when the derailment happened and oddly, he said he didn't hear a thing.
"I didn't hear anything at all," J.D. Smith, Central Fire Department said. "The engineers were all surprised. They thought it would be rather loud and I didn't hear anything or feel anything."
Smith said he's worked in the area for years and never seen anything like this before.
"I've never worked this incident," Smith said. "We've all been through training and been told it could happen. I've never actually had it happen. There's three crossings in our district and it's the first time it's happened to us."
No injures injuries have been reported.