(CNN) — Two trains collided in southeastern Wisconsin on Sunday night, causing 5,000 gallons of diesel to spill, a fire official said.
Three engines and 10 rail cars derailed at a point where the tracks crossed, Slinger Fire Department Chief Rick Hanke said.
Residents within a half-mile radius were evacuated due to concerns over the flammability of the diesel and contamination from the spill, Hanke said. More than 100 homes are in the evacuation zone.
A conductor and an engineer suffered injuries that are not life-threatening, the fire chief said.
The crash involved cars carrying sand and lumber. They came from CN and Wisconsin & Southern railroads.
Slinger is about 30 miles northwest of Milwaukee.
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