GALVA, Iowa (AP) -

Firefighters have put out a fire that followed a small explosion reported at a plant near Galva in northwest Iowa.

The incident occurred at the American Natural Soy plant a little before 5 p.m. Wednesday. No injuries were reported.

Galva Fire Chief Randy Vogt says the firefighters quickly extinguished the flames but spent about two hours on the scene.

The cause is being investigated.

The plant sits about three miles south of Galva, in Ida County.