Jun 24, 2018:

Seven cars removed after train derailment, oil spill; cleanup and railroad repair to follow | Des Moines Register

Crude oil spills into Iowa river after freight train derailment | Fox News

Jun 22, 2018:

A BNSF train carrying crude oil from Canada derailed and spilled oil into the floodwaters of the Little Rock River in northwestern Iowa.

In total, 32 cars derailed, 14 of which spilled an estimated 230,000 gallons of oil into the water.

Derailed Oil Train Spills 230,000 Gallons of Tar Sands in Flooded Iowa River | DeSmog