PRINCETON, Ind. -- A freight train derailed and several train cars caught fire in southwest Indiana, forcing the mandatory evacuation of nearby homes and businesses. The Gibson County Sheriff's Office says in a statement the train derailed Sunday evening about 2,100 feet west of a trailer park in Princeton, about 150 miles southwest of Indianapolis.

The department says several people reported an explosion.

No injuries have been reported.

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The Whiteriver Hazelton Fire Department posted images of the scene on Facebook.

Rail operator CSX says preliminary reports show a rail car leaked propane. It says the train had two locomotives, 89 loaded railcars and 9 empty railcars.

The derailment's cause is under investigation.

First responders went door-to-door to evacuate people within a 1-mile (1.6-kilometer) radius of the derailment.