Three people were injured in a burning train derailment in West Virginia due to rockfall.

SANDSTONE, WV — An empty coal train collided with a rockfall along tracks in West Virginia Wednesday morning, causing three crew members to fall off the tracks, CSX Transportation said in a statement.

Four locomotives and 22 empty railcars derailed in Summers County near the New River, according to CSX. The lead locomotive, which carried a driver, a machinist and a trainee mechanic, caught fire while crew members were examined and treated for non-life-threatening injuries, the company said.

CSX said the unoccupied locomotive was partly in the waterway where an unknown amount of diesel and oil had spilled, officials said. Environmental groups applied containment measures.

The crash occurred in a remote area south of Sandstone in New River National Park and Preserve, according to a statement from the West Virginia Office of Emergency Management. Several government agencies are monitoring the situation and have said downstream public water systems have been notified and are monitoring any potential public health impacts.

No hazardous materials were transported and there was no danger to the public, CSX said.

The company said the safety of employees and the community is a top priority as it sends teams to assess the situation and develop a recovery plan.